15980254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5923}}^1$

素因数の和:6015

約数の個数: 16

約数和(自身を含む): 25591680

約数和(自身を除く): 9611426

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 5923, 11846, 112537, 225074, 420533, 841066, 7990127, 15980254]

約数ペア:

[(1, 15980254), (2, 7990127), (19, 841066), (38, 420533), (71, 225074), (142, 112537), (1349, 11846), (2698, 5923)]