18363080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11197}}^1$

素因数の和:11249

約数の個数: 32

約数和(自身を含む): 42328440

約数和(自身を除く): 23965360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11197, 22394, 44788, 55985, 89576, 111970, 223940, 447880, 459077, 918154, 1836308, 2295385, 3672616, 4590770, 9181540, 18363080]

約数ペア:

[(1, 18363080), (2, 9181540), (4, 4590770), (5, 3672616), (8, 2295385), (10, 1836308), (20, 918154), (40, 459077), (41, 447880), (82, 223940), (164, 111970), (205, 89576), (328, 55985), (410, 44788), (820, 22394), (1640, 11197)]