19989254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22871}}^1$

素因数の和:22915

約数の個数: 16

約数和(自身を含む): 32935680

約数和(自身を除く): 12946426

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 22871, 45742, 434549, 526033, 869098, 1052066, 9994627, 19989254]

約数ペア:

[(1, 19989254), (2, 9994627), (19, 1052066), (23, 869098), (38, 526033), (46, 434549), (437, 45742), (874, 22871)]