18357340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 40247424

約数和(自身を除く): 21890084

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 367, 410, 610, 734, 820, 1220, 1468, 1835, 2501, 3670, 5002, 7340, 10004, 12505, 15047, 22387, 25010, 30094, 44774, 50020, 60188, 75235, 89548, 111935, 150470, 223870, 300940, 447740, 917867, 1835734, 3671468, 4589335, 9178670, 18357340]

約数ペア:

[(1, 18357340), (2, 9178670), (4, 4589335), (5, 3671468), (10, 1835734), (20, 917867), (41, 447740), (61, 300940), (82, 223870), (122, 150470), (164, 111935), (205, 89548), (244, 75235), (305, 60188), (367, 50020), (410, 44774), (610, 30094), (734, 25010), (820, 22387), (1220, 15047), (1468, 12505), (1835, 10004), (2501, 7340), (3670, 5002)]