19937632

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 48

約数和(自身を含む): 46125072

約数和(自身を除く): 26187440

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4357, 4576, 8714, 17428, 34856, 47927, 56641, 69712, 95854, 113282, 139424, 191708, 226564, 383416, 453128, 623051, 766832, 906256, 1246102, 1533664, 1812512, 2492204, 4984408, 9968816, 19937632]

約数ペア:

[(1, 19937632), (2, 9968816), (4, 4984408), (8, 2492204), (11, 1812512), (13, 1533664), (16, 1246102), (22, 906256), (26, 766832), (32, 623051), (44, 453128), (52, 383416), (88, 226564), (104, 191708), (143, 139424), (176, 113282), (208, 95854), (286, 69712), (352, 56641), (416, 47927), (572, 34856), (1144, 17428), (2288, 8714), (4357, 4576)]