18286380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 144

約数和(自身を含む): 66253824

約数和(自身を除く): 47967444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 631, 644, 690, 805, 828, 966, 1035, 1260, 1262, 1380, 1449, 1610, 1893, 1932, 2070, 2415, 2524, 2898, 3155, 3220, 3786, 4140, 4417, 4830, 5679, 5796, 6310, 7245, 7572, 8834, 9465, 9660, 11358, 12620, 13251, 14490, 14513, 17668, 18930, 22085, 22716, 26502, 28395, 28980, 29026, 37860, 39753, 43539, 44170, 53004, 56790, 58052, 66255, 72565, 79506, 87078, 88340, 101591, 113580, 130617, 132510, 145130, 159012, 174156, 198765, 203182, 217695, 261234, 265020, 290260, 304773, 397530, 406364, 435390, 507955, 522468, 609546, 653085, 795060, 870780, 914319, 1015910, 1219092, 1306170, 1523865, 1828638, 2031820, 2612340, 3047730, 3657276, 4571595, 6095460, 9143190, 18286380]

約数ペア:

[(1, 18286380), (2, 9143190), (3, 6095460), (4, 4571595), (5, 3657276), (6, 3047730), (7, 2612340), (9, 2031820), (10, 1828638), (12, 1523865), (14, 1306170), (15, 1219092), (18, 1015910), (20, 914319), (21, 870780), (23, 795060), (28, 653085), (30, 609546), (35, 522468), (36, 507955), (42, 435390), (45, 406364), (46, 397530), (60, 304773), (63, 290260), (69, 265020), (70, 261234), (84, 217695), (90, 203182), (92, 198765), (105, 174156), (115, 159012), (126, 145130), (138, 132510), (140, 130617), (161, 113580), (180, 101591), (207, 88340), (210, 87078), (230, 79506), (252, 72565), (276, 66255), (315, 58052), (322, 56790), (345, 53004), (414, 44170), (420, 43539), (460, 39753), (483, 37860), (630, 29026), (631, 28980), (644, 28395), (690, 26502), (805, 22716), (828, 22085), (966, 18930), (1035, 17668), (1260, 14513), (1262, 14490), (1380, 13251), (1449, 12620), (1610, 11358), (1893, 9660), (1932, 9465), (2070, 8834), (2415, 7572), (2524, 7245), (2898, 6310), (3155, 5796), (3220, 5679), (3786, 4830), (4140, 4417)]