18955816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12671}}^1$

素因数の和:12705

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 22101464

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12671, 25342, 50684, 101368, 139381, 215407, 278762, 430814, 557524, 861628, 1115048, 1723256, 2369477, 4738954, 9477908, 18955816]

約数ペア:

[(1, 18955816), (2, 9477908), (4, 4738954), (8, 2369477), (11, 1723256), (17, 1115048), (22, 861628), (34, 557524), (44, 430814), (68, 278762), (88, 215407), (136, 139381), (187, 101368), (374, 50684), (748, 25342), (1496, 12671)]