18254360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10613}}^1$

素因数の和:10667

約数の個数: 32

約数和(自身を含む): 42031440

約数和(自身を除く): 23777080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10613, 21226, 42452, 53065, 84904, 106130, 212260, 424520, 456359, 912718, 1825436, 2281795, 3650872, 4563590, 9127180, 18254360]

約数ペア:

[(1, 18254360), (2, 9127180), (4, 4563590), (5, 3650872), (8, 2281795), (10, 1825436), (20, 912718), (40, 456359), (43, 424520), (86, 212260), (172, 106130), (215, 84904), (344, 53065), (430, 42452), (860, 21226), (1720, 10613)]