18205804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 33699456

約数和(自身を除く): 15493652

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 3581, 5084, 7162, 14324, 111011, 146821, 222022, 293642, 444044, 587284, 4551451, 9102902, 18205804]

約数ペア:

[(1, 18205804), (2, 9102902), (4, 4551451), (31, 587284), (41, 444044), (62, 293642), (82, 222022), (124, 146821), (164, 111011), (1271, 14324), (2542, 7162), (3581, 5084)]