18902488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2719}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 20265512

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2719, 3476, 5438, 6952, 10876, 21752, 29909, 59818, 119636, 214801, 239272, 429602, 859204, 1718408, 2362811, 4725622, 9451244, 18902488]

約数ペア:

[(1, 18902488), (2, 9451244), (4, 4725622), (8, 2362811), (11, 1718408), (22, 859204), (44, 429602), (79, 239272), (88, 214801), (158, 119636), (316, 59818), (632, 29909), (869, 21752), (1738, 10876), (2719, 6952), (3476, 5438)]