18317460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43613}}^1$

素因数の和:43632

約数の個数: 48

約数和(自身を含む): 58617216

約数和(自身を除く): 40299756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43613, 87226, 130839, 174452, 218065, 261678, 305291, 436130, 523356, 610582, 654195, 872260, 915873, 1221164, 1308390, 1526455, 1831746, 2616780, 3052910, 3663492, 4579365, 6105820, 9158730, 18317460]

約数ペア:

[(1, 18317460), (2, 9158730), (3, 6105820), (4, 4579365), (5, 3663492), (6, 3052910), (7, 2616780), (10, 1831746), (12, 1526455), (14, 1308390), (15, 1221164), (20, 915873), (21, 872260), (28, 654195), (30, 610582), (35, 523356), (42, 436130), (60, 305291), (70, 261678), (84, 218065), (105, 174452), (140, 130839), (210, 87226), (420, 43613)]