18496816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5231}}^1$

素因数の和:5269

約数の個数: 40

約数和(自身を含む): 40872384

約数和(自身を除く): 22375568

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5231, 10462, 20924, 41848, 68003, 83696, 88927, 136006, 177854, 272012, 355708, 544024, 711416, 1088048, 1156051, 1422832, 2312102, 4624204, 9248408, 18496816]

約数ペア:

[(1, 18496816), (2, 9248408), (4, 4624204), (8, 2312102), (13, 1422832), (16, 1156051), (17, 1088048), (26, 711416), (34, 544024), (52, 355708), (68, 272012), (104, 177854), (136, 136006), (208, 88927), (221, 83696), (272, 68003), (442, 41848), (884, 20924), (1768, 10462), (3536, 5231)]