19030319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2447}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 23970816

約数和(自身を除く): 4940497

約数列:

[1, 7, 11, 77, 101, 707, 1111, 2447, 7777, 17129, 26917, 188419, 247147, 1730029, 2718617, 19030319]

約数ペア:

[(1, 19030319), (7, 2718617), (11, 1730029), (77, 247147), (101, 188419), (707, 26917), (1111, 17129), (2447, 7777)]