19838700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 216

約数和(自身を含む): 73661952

約数和(自身を除く): 53823252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 47, 50, 60, 63, 67, 70, 75, 84, 90, 94, 100, 105, 126, 134, 140, 141, 150, 175, 180, 188, 201, 210, 225, 235, 252, 268, 282, 300, 315, 329, 335, 350, 402, 420, 423, 450, 469, 470, 525, 564, 603, 630, 658, 670, 700, 705, 804, 846, 900, 938, 940, 987, 1005, 1050, 1175, 1206, 1260, 1316, 1340, 1407, 1410, 1575, 1645, 1675, 1692, 1876, 1974, 2010, 2100, 2115, 2345, 2350, 2412, 2814, 2820, 2961, 3015, 3149, 3150, 3290, 3350, 3525, 3948, 4020, 4221, 4230, 4690, 4700, 4935, 5025, 5628, 5922, 6030, 6298, 6300, 6580, 6700, 7035, 7050, 8225, 8442, 8460, 9380, 9447, 9870, 10050, 10575, 11725, 11844, 12060, 12596, 14070, 14100, 14805, 15075, 15745, 16450, 16884, 18894, 19740, 20100, 21105, 21150, 22043, 23450, 24675, 28140, 28341, 29610, 30150, 31490, 32900, 35175, 37788, 42210, 42300, 44086, 46900, 47235, 49350, 56682, 59220, 60300, 62980, 66129, 70350, 74025, 78725, 84420, 88172, 94470, 98700, 105525, 110215, 113364, 132258, 140700, 141705, 148050, 157450, 188940, 198387, 211050, 220430, 236175, 264516, 283410, 296100, 314900, 330645, 396774, 422100, 440860, 472350, 551075, 566820, 661290, 708525, 793548, 944700, 991935, 1102150, 1322580, 1417050, 1653225, 1983870, 2204300, 2834100, 3306450, 3967740, 4959675, 6612900, 9919350, 19838700]

約数ペア:

[(1, 19838700), (2, 9919350), (3, 6612900), (4, 4959675), (5, 3967740), (6, 3306450), (7, 2834100), (9, 2204300), (10, 1983870), (12, 1653225), (14, 1417050), (15, 1322580), (18, 1102150), (20, 991935), (21, 944700), (25, 793548), (28, 708525), (30, 661290), (35, 566820), (36, 551075), (42, 472350), (45, 440860), (47, 422100), (50, 396774), (60, 330645), (63, 314900), (67, 296100), (70, 283410), (75, 264516), (84, 236175), (90, 220430), (94, 211050), (100, 198387), (105, 188940), (126, 157450), (134, 148050), (140, 141705), (141, 140700), (150, 132258), (175, 113364), (180, 110215), (188, 105525), (201, 98700), (210, 94470), (225, 88172), (235, 84420), (252, 78725), (268, 74025), (282, 70350), (300, 66129), (315, 62980), (329, 60300), (335, 59220), (350, 56682), (402, 49350), (420, 47235), (423, 46900), (450, 44086), (469, 42300), (470, 42210), (525, 37788), (564, 35175), (603, 32900), (630, 31490), (658, 30150), (670, 29610), (700, 28341), (705, 28140), (804, 24675), (846, 23450), (900, 22043), (938, 21150), (940, 21105), (987, 20100), (1005, 19740), (1050, 18894), (1175, 16884), (1206, 16450), (1260, 15745), (1316, 15075), (1340, 14805), (1407, 14100), (1410, 14070), (1575, 12596), (1645, 12060), (1675, 11844), (1692, 11725), (1876, 10575), (1974, 10050), (2010, 9870), (2100, 9447), (2115, 9380), (2345, 8460), (2350, 8442), (2412, 8225), (2814, 7050), (2820, 7035), (2961, 6700), (3015, 6580), (3149, 6300), (3150, 6298), (3290, 6030), (3350, 5922), (3525, 5628), (3948, 5025), (4020, 4935), (4221, 4700), (4230, 4690)]