19691342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3943}}^1$

素因数の和:4183

約数の個数: 16

約数和(自身を含む): 32372352

約数和(自身を除く): 12681010

約数列:

[1, 2, 11, 22, 227, 454, 2497, 3943, 4994, 7886, 43373, 86746, 895061, 1790122, 9845671, 19691342]

約数ペア:

[(1, 19691342), (2, 9845671), (11, 1790122), (22, 895061), (227, 86746), (454, 43373), (2497, 7886), (3943, 4994)]