18900554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1013}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 29933280

約数和(自身を除く): 11032726

約数列:

[1, 2, 19, 38, 491, 982, 1013, 2026, 9329, 18658, 19247, 38494, 497383, 994766, 9450277, 18900554]

約数ペア:

[(1, 18900554), (2, 9450277), (19, 994766), (38, 497383), (491, 38494), (982, 19247), (1013, 18658), (2026, 9329)]