19997616

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3041}}^1$

素因数の和:3189

約数の個数: 40

約数和(自身を含む): 52054704

約数和(自身を除く): 32057088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3041, 3288, 6082, 6576, 9123, 12164, 18246, 24328, 36492, 48656, 72984, 145968, 416617, 833234, 1249851, 1666468, 2499702, 3332936, 4999404, 6665872, 9998808, 19997616]

約数ペア:

[(1, 19997616), (2, 9998808), (3, 6665872), (4, 4999404), (6, 3332936), (8, 2499702), (12, 1666468), (16, 1249851), (24, 833234), (48, 416617), (137, 145968), (274, 72984), (411, 48656), (548, 36492), (822, 24328), (1096, 18246), (1644, 12164), (2192, 9123), (3041, 6576), (3288, 6082)]