15509090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11839}}^1$

素因数の和:11977

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 12622750

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 11839, 23678, 59195, 118390, 1550909, 3101818, 7754545, 15509090]

約数ペア:

[(1, 15509090), (2, 7754545), (5, 3101818), (10, 1550909), (131, 118390), (262, 59195), (655, 23678), (1310, 11839)]