19690352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6617

約数の個数: 40

約数和(自身を含む): 44073072

約数和(自身を除く): 24382720

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6581, 13162, 26324, 52648, 72391, 105296, 111877, 144782, 223754, 289564, 447508, 579128, 895016, 1158256, 1230647, 1790032, 2461294, 4922588, 9845176, 19690352]

約数ペア:

[(1, 19690352), (2, 9845176), (4, 4922588), (8, 2461294), (11, 1790032), (16, 1230647), (17, 1158256), (22, 895016), (34, 579128), (44, 447508), (68, 289564), (88, 223754), (136, 144782), (176, 111877), (187, 105296), (272, 72391), (374, 52648), (748, 26324), (1496, 13162), (2992, 6581)]