18878930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{953}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 39014784

約数和(自身を除く): 20135854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 953, 1415, 1906, 1981, 2830, 3962, 4765, 6671, 9530, 9905, 13342, 19810, 33355, 66710, 269699, 539398, 1348495, 1887893, 2696990, 3775786, 9439465, 18878930]

約数ペア:

[(1, 18878930), (2, 9439465), (5, 3775786), (7, 2696990), (10, 1887893), (14, 1348495), (35, 539398), (70, 269699), (283, 66710), (566, 33355), (953, 19810), (1415, 13342), (1906, 9905), (1981, 9530), (2830, 6671), (3962, 4765)]