19770288

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1847}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 51330048

約数和(自身を除く): 31559760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1847, 2676, 3568, 3694, 5352, 5541, 7388, 10704, 11082, 14776, 22164, 29552, 44328, 88656, 411881, 823762, 1235643, 1647524, 2471286, 3295048, 4942572, 6590096, 9885144, 19770288]

約数ペア:

[(1, 19770288), (2, 9885144), (3, 6590096), (4, 4942572), (6, 3295048), (8, 2471286), (12, 1647524), (16, 1235643), (24, 823762), (48, 411881), (223, 88656), (446, 44328), (669, 29552), (892, 22164), (1338, 14776), (1784, 11082), (1847, 10704), (2676, 7388), (3568, 5541), (3694, 5352)]