19171087

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 2843633

約数列:

[1, 13, 17, 221, 223, 389, 2899, 3791, 5057, 6613, 49283, 85969, 86747, 1127711, 1474699, 19171087]

約数ペア:

[(1, 19171087), (13, 1474699), (17, 1127711), (221, 86747), (223, 85969), (389, 49283), (2899, 6613), (3791, 5057)]