19612404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 57075200

約数和(自身を除く): 37462796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 349, 446, 669, 698, 892, 1047, 1338, 1396, 1561, 2007, 2094, 2443, 2676, 3122, 3141, 4014, 4188, 4683, 4886, 6244, 6282, 7329, 8028, 9366, 9772, 12564, 14049, 14658, 18732, 21987, 28098, 29316, 43974, 56196, 77827, 87948, 155654, 233481, 311308, 466962, 544789, 700443, 933924, 1089578, 1400886, 1634367, 2179156, 2801772, 3268734, 4903101, 6537468, 9806202, 19612404]

約数ペア:

[(1, 19612404), (2, 9806202), (3, 6537468), (4, 4903101), (6, 3268734), (7, 2801772), (9, 2179156), (12, 1634367), (14, 1400886), (18, 1089578), (21, 933924), (28, 700443), (36, 544789), (42, 466962), (63, 311308), (84, 233481), (126, 155654), (223, 87948), (252, 77827), (349, 56196), (446, 43974), (669, 29316), (698, 28098), (892, 21987), (1047, 18732), (1338, 14658), (1396, 14049), (1561, 12564), (2007, 9772), (2094, 9366), (2443, 8028), (2676, 7329), (3122, 6282), (3141, 6244), (4014, 4886), (4188, 4683)]