18756540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9473}}^1$

素因数の和:9499

約数の個数: 72

約数和(自身を含む): 62073648

約数和(自身を除く): 43317108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9473, 18946, 28419, 37892, 47365, 56838, 85257, 94730, 104203, 113676, 142095, 170514, 189460, 208406, 284190, 312609, 341028, 416812, 426285, 521015, 568380, 625218, 852570, 937827, 1042030, 1250436, 1563045, 1705140, 1875654, 2084060, 3126090, 3751308, 4689135, 6252180, 9378270, 18756540]

約数ペア:

[(1, 18756540), (2, 9378270), (3, 6252180), (4, 4689135), (5, 3751308), (6, 3126090), (9, 2084060), (10, 1875654), (11, 1705140), (12, 1563045), (15, 1250436), (18, 1042030), (20, 937827), (22, 852570), (30, 625218), (33, 568380), (36, 521015), (44, 426285), (45, 416812), (55, 341028), (60, 312609), (66, 284190), (90, 208406), (99, 189460), (110, 170514), (132, 142095), (165, 113676), (180, 104203), (198, 94730), (220, 85257), (330, 56838), (396, 47365), (495, 37892), (660, 28419), (990, 18946), (1980, 9473)]