19406872

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{17707}}^1$

素因数の和:17850

約数の個数: 16

約数和(自身を含む): 36655560

約数和(自身を除く): 17248688

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 17707, 35414, 70828, 141656, 2425859, 4851718, 9703436, 19406872]

約数ペア:

[(1, 19406872), (2, 9703436), (4, 4851718), (8, 2425859), (137, 141656), (274, 70828), (548, 35414), (1096, 17707)]