15819824

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 31753920

約数和(自身を除く): 15934096

約数列:

[1, 2, 4, 8, 16, 47, 94, 109, 188, 193, 218, 376, 386, 436, 752, 772, 872, 1544, 1744, 3088, 5123, 9071, 10246, 18142, 20492, 21037, 36284, 40984, 42074, 72568, 81968, 84148, 145136, 168296, 336592, 988739, 1977478, 3954956, 7909912, 15819824]

約数ペア:

[(1, 15819824), (2, 7909912), (4, 3954956), (8, 1977478), (16, 988739), (47, 336592), (94, 168296), (109, 145136), (188, 84148), (193, 81968), (218, 72568), (376, 42074), (386, 40984), (436, 36284), (752, 21037), (772, 20492), (872, 18142), (1544, 10246), (1744, 9071), (3088, 5123)]