18996969620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{38629}}^1$

素因数の和:39072

約数の個数: 48

約数和(自身を含む): 40600439040

約数和(自身を除く): 21603469420

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 367, 670, 734, 1340, 1468, 1835, 3670, 7340, 24589, 38629, 49178, 77258, 98356, 122945, 154516, 193145, 245890, 386290, 491780, 772580, 2588143, 5176286, 10352572, 12940715, 14176843, 25881430, 28353686, 51762860, 56707372, 70884215, 141768430, 283536860, 949848481, 1899696962, 3799393924, 4749242405, 9498484810, 18996969620]

約数ペア:

[(1, 18996969620), (2, 9498484810), (4, 4749242405), (5, 3799393924), (10, 1899696962), (20, 949848481), (67, 283536860), (134, 141768430), (268, 70884215), (335, 56707372), (367, 51762860), (670, 28353686), (734, 25881430), (1340, 14176843), (1468, 12940715), (1835, 10352572), (3670, 5176286), (7340, 2588143), (24589, 772580), (38629, 491780), (49178, 386290), (77258, 245890), (98356, 193145), (122945, 154516)]