18885424

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 37775360

約数和(自身を除く): 18889936

約数列:

[1, 2, 4, 8, 16, 67, 79, 134, 158, 223, 268, 316, 446, 536, 632, 892, 1072, 1264, 1784, 3568, 5293, 10586, 14941, 17617, 21172, 29882, 35234, 42344, 59764, 70468, 84688, 119528, 140936, 239056, 281872, 1180339, 2360678, 4721356, 9442712, 18885424]

約数ペア:

[(1, 18885424), (2, 9442712), (4, 4721356), (8, 2360678), (16, 1180339), (67, 281872), (79, 239056), (134, 140936), (158, 119528), (223, 84688), (268, 70468), (316, 59764), (446, 42344), (536, 35234), (632, 29882), (892, 21172), (1072, 17617), (1264, 14941), (1784, 10586), (3568, 5293)]