19405430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{176413}}^1$

素因数の和:176431

約数の個数: 16

約数和(自身を含む): 38105424

約数和(自身を除く): 18699994

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 176413, 352826, 882065, 1764130, 1940543, 3881086, 9702715, 19405430]

約数ペア:

[(1, 19405430), (2, 9702715), (5, 3881086), (10, 1940543), (11, 1764130), (22, 882065), (55, 352826), (110, 176413)]