19604080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 47106360

約数和(自身を除く): 27502280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 179, 185, 296, 358, 370, 592, 716, 740, 895, 1369, 1432, 1480, 1790, 2738, 2864, 2960, 3580, 5476, 6623, 6845, 7160, 10952, 13246, 13690, 14320, 21904, 26492, 27380, 33115, 52984, 54760, 66230, 105968, 109520, 132460, 245051, 264920, 490102, 529840, 980204, 1225255, 1960408, 2450510, 3920816, 4901020, 9802040, 19604080]

約数ペア:

[(1, 19604080), (2, 9802040), (4, 4901020), (5, 3920816), (8, 2450510), (10, 1960408), (16, 1225255), (20, 980204), (37, 529840), (40, 490102), (74, 264920), (80, 245051), (148, 132460), (179, 109520), (185, 105968), (296, 66230), (358, 54760), (370, 52984), (592, 33115), (716, 27380), (740, 26492), (895, 21904), (1369, 14320), (1432, 13690), (1480, 13246), (1790, 10952), (2738, 7160), (2864, 6845), (2960, 6623), (3580, 5476)]