18400950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 72

約数和(自身を含む): 50042928

約数和(自身を除く): 31641978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 103, 150, 206, 225, 309, 397, 450, 515, 618, 794, 927, 1030, 1191, 1545, 1854, 1985, 2382, 2575, 3090, 3573, 3970, 4635, 5150, 5955, 7146, 7725, 9270, 9925, 11910, 15450, 17865, 19850, 23175, 29775, 35730, 40891, 46350, 59550, 81782, 89325, 122673, 178650, 204455, 245346, 368019, 408910, 613365, 736038, 1022275, 1226730, 1840095, 2044550, 3066825, 3680190, 6133650, 9200475, 18400950]

約数ペア:

[(1, 18400950), (2, 9200475), (3, 6133650), (5, 3680190), (6, 3066825), (9, 2044550), (10, 1840095), (15, 1226730), (18, 1022275), (25, 736038), (30, 613365), (45, 408910), (50, 368019), (75, 245346), (90, 204455), (103, 178650), (150, 122673), (206, 89325), (225, 81782), (309, 59550), (397, 46350), (450, 40891), (515, 35730), (618, 29775), (794, 23175), (927, 19850), (1030, 17865), (1191, 15450), (1545, 11910), (1854, 9925), (1985, 9270), (2382, 7725), (2575, 7146), (3090, 5955), (3573, 5150), (3970, 4635)]