19139519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2243}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 4126273

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2243, 8533, 15701, 51589, 118879, 361123, 832153, 2734217, 19139519]

約数ペア:

[(1, 19139519), (7, 2734217), (23, 832153), (53, 361123), (161, 118879), (371, 51589), (1219, 15701), (2243, 8533)]