15931690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 30637440

約数和(自身を除く): 14705750

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1181, 1349, 2362, 2698, 5905, 6745, 11810, 13490, 22439, 44878, 83851, 112195, 167702, 224390, 419255, 838510, 1593169, 3186338, 7965845, 15931690]

約数ペア:

[(1, 15931690), (2, 7965845), (5, 3186338), (10, 1593169), (19, 838510), (38, 419255), (71, 224390), (95, 167702), (142, 112195), (190, 83851), (355, 44878), (710, 22439), (1181, 13490), (1349, 11810), (2362, 6745), (2698, 5905)]