12018220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9851}}^1$

素因数の和:9921

約数の個数: 24

約数和(自身を含む): 25654608

約数和(自身を除く): 13636388

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 9851, 19702, 39404, 49255, 98510, 197020, 600911, 1201822, 2403644, 3004555, 6009110, 12018220]

約数ペア:

[(1, 12018220), (2, 6009110), (4, 3004555), (5, 2403644), (10, 1201822), (20, 600911), (61, 197020), (122, 98510), (244, 49255), (305, 39404), (610, 19702), (1220, 9851)]