18785338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3502

約数の個数: 32

約数和(自身を含む): 34856640

約数和(自身を除く): 16071302

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3457, 5434, 6914, 38027, 44941, 65683, 76054, 89882, 131366, 494351, 722513, 853879, 988702, 1445026, 1707758, 9392669, 18785338]

約数ペア:

[(1, 18785338), (2, 9392669), (11, 1707758), (13, 1445026), (19, 988702), (22, 853879), (26, 722513), (38, 494351), (143, 131366), (209, 89882), (247, 76054), (286, 65683), (418, 44941), (494, 38027), (2717, 6914), (3457, 5434)]