19979408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33749}}^1$

素因数の和:33794

約数の個数: 20

約数和(自身を含む): 39757500

約数和(自身を除く): 19778092

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33749, 67498, 134996, 269992, 539984, 1248713, 2497426, 4994852, 9989704, 19979408]

約数ペア:

[(1, 19979408), (2, 9989704), (4, 4994852), (8, 2497426), (16, 1248713), (37, 539984), (74, 269992), (148, 134996), (296, 67498), (592, 33749)]