18996870487

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{219371}}^1$

素因数の和:219606

約数の個数: 16

約数和(自身を含む): 22112697600

約数和(自身を除く): 3115827113

約数列:

[1, 7, 89, 139, 623, 973, 12371, 86597, 219371, 1535597, 19524019, 30492569, 136668133, 213447983, 2713838641, 18996870487]

約数ペア:

[(1, 18996870487), (7, 2713838641), (89, 213447983), (139, 136668133), (623, 30492569), (973, 19524019), (12371, 1535597), (86597, 219371)]