219260816

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{370373}}^1$

素因数の和:370418

約数の個数: 20

約数和(自身を含む): 436300572

約数和(自身を除く): 217039756

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 370373, 740746, 1481492, 2962984, 5925968, 13703801, 27407602, 54815204, 109630408, 219260816]

約数ペア:

[(1, 219260816), (2, 109630408), (4, 54815204), (8, 27407602), (16, 13703801), (37, 5925968), (74, 2962984), (148, 1481492), (296, 740746), (592, 370373)]