18415150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 37841328

約数和(自身を除く): 19426178

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 691, 1025, 1066, 1382, 2050, 2665, 3455, 5330, 6910, 8983, 13325, 17275, 17966, 26650, 28331, 34550, 44915, 56662, 89830, 141655, 224575, 283310, 368303, 449150, 708275, 736606, 1416550, 1841515, 3683030, 9207575, 18415150]

約数ペア:

[(1, 18415150), (2, 9207575), (5, 3683030), (10, 1841515), (13, 1416550), (25, 736606), (26, 708275), (41, 449150), (50, 368303), (65, 283310), (82, 224575), (130, 141655), (205, 89830), (325, 56662), (410, 44915), (533, 34550), (650, 28331), (691, 26650), (1025, 17966), (1066, 17275), (1382, 13325), (2050, 8983), (2665, 6910), (3455, 5330)]