19681766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4229}}^1$

素因数の和:4423

約数の個数: 16

約数和(自身を含む): 31978800

約数和(自身を除く): 12297034

約数列:

[1, 2, 13, 26, 179, 358, 2327, 4229, 4654, 8458, 54977, 109954, 756991, 1513982, 9840883, 19681766]

約数ペア:

[(1, 19681766), (2, 9840883), (13, 1513982), (26, 756991), (179, 109954), (358, 54977), (2327, 8458), (4229, 4654)]