18664504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137239}}^1$

素因数の和:137262

約数の個数: 16

約数和(自身を含む): 37054800

約数和(自身を除く): 18390296

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137239, 274478, 548956, 1097912, 2333063, 4666126, 9332252, 18664504]

約数ペア:

[(1, 18664504), (2, 9332252), (4, 4666126), (8, 2333063), (17, 1097912), (34, 548956), (68, 274478), (136, 137239)]