19815710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 38701152

約数和(自身を除く): 18885442

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 2843, 3485, 5686, 6970, 14215, 28430, 48331, 96662, 116563, 233126, 241655, 483310, 582815, 1165630, 1981571, 3963142, 9907855, 19815710]

約数ペア:

[(1, 19815710), (2, 9907855), (5, 3963142), (10, 1981571), (17, 1165630), (34, 582815), (41, 483310), (82, 241655), (85, 233126), (170, 116563), (205, 96662), (410, 48331), (697, 28430), (1394, 14215), (2843, 6970), (3485, 5686)]