18809700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 216

約数和(自身を含む): 68620608

約数和(自身を除く): 49810908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 53, 60, 65, 70, 75, 78, 84, 91, 100, 105, 106, 130, 140, 150, 156, 159, 169, 175, 182, 195, 210, 212, 260, 265, 273, 300, 318, 325, 338, 350, 364, 371, 390, 420, 455, 507, 525, 530, 546, 636, 650, 676, 689, 700, 742, 780, 795, 845, 910, 975, 1014, 1050, 1060, 1092, 1113, 1183, 1300, 1325, 1365, 1378, 1484, 1590, 1690, 1820, 1855, 1950, 2028, 2067, 2100, 2226, 2275, 2366, 2535, 2650, 2730, 2756, 3180, 3380, 3445, 3549, 3710, 3900, 3975, 4134, 4225, 4452, 4550, 4732, 4823, 5070, 5300, 5460, 5565, 5915, 6825, 6890, 7098, 7420, 7950, 8268, 8450, 8957, 9100, 9275, 9646, 10140, 10335, 11130, 11830, 12675, 13650, 13780, 14196, 14469, 15900, 16900, 17225, 17745, 17914, 18550, 19292, 20670, 22260, 23660, 24115, 25350, 26871, 27300, 27825, 28938, 29575, 34450, 35490, 35828, 37100, 41340, 44785, 48230, 50700, 51675, 53742, 55650, 57876, 59150, 62699, 68900, 70980, 72345, 88725, 89570, 96460, 103350, 107484, 111300, 118300, 120575, 125398, 134355, 144690, 177450, 179140, 188097, 206700, 223925, 241150, 250796, 268710, 289380, 313495, 354900, 361725, 376194, 447850, 482300, 537420, 626990, 671775, 723450, 752388, 895700, 940485, 1253980, 1343550, 1446900, 1567475, 1880970, 2687100, 3134950, 3761940, 4702425, 6269900, 9404850, 18809700]

約数ペア:

[(1, 18809700), (2, 9404850), (3, 6269900), (4, 4702425), (5, 3761940), (6, 3134950), (7, 2687100), (10, 1880970), (12, 1567475), (13, 1446900), (14, 1343550), (15, 1253980), (20, 940485), (21, 895700), (25, 752388), (26, 723450), (28, 671775), (30, 626990), (35, 537420), (39, 482300), (42, 447850), (50, 376194), (52, 361725), (53, 354900), (60, 313495), (65, 289380), (70, 268710), (75, 250796), (78, 241150), (84, 223925), (91, 206700), (100, 188097), (105, 179140), (106, 177450), (130, 144690), (140, 134355), (150, 125398), (156, 120575), (159, 118300), (169, 111300), (175, 107484), (182, 103350), (195, 96460), (210, 89570), (212, 88725), (260, 72345), (265, 70980), (273, 68900), (300, 62699), (318, 59150), (325, 57876), (338, 55650), (350, 53742), (364, 51675), (371, 50700), (390, 48230), (420, 44785), (455, 41340), (507, 37100), (525, 35828), (530, 35490), (546, 34450), (636, 29575), (650, 28938), (676, 27825), (689, 27300), (700, 26871), (742, 25350), (780, 24115), (795, 23660), (845, 22260), (910, 20670), (975, 19292), (1014, 18550), (1050, 17914), (1060, 17745), (1092, 17225), (1113, 16900), (1183, 15900), (1300, 14469), (1325, 14196), (1365, 13780), (1378, 13650), (1484, 12675), (1590, 11830), (1690, 11130), (1820, 10335), (1855, 10140), (1950, 9646), (2028, 9275), (2067, 9100), (2100, 8957), (2226, 8450), (2275, 8268), (2366, 7950), (2535, 7420), (2650, 7098), (2730, 6890), (2756, 6825), (3180, 5915), (3380, 5565), (3445, 5460), (3549, 5300), (3710, 5070), (3900, 4823), (3975, 4732), (4134, 4550), (4225, 4452)]