18216090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 80

約数和(自身を含む): 50215968

約数和(自身を除く): 31999878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 523, 645, 774, 810, 1046, 1161, 1290, 1569, 1935, 2322, 2615, 3138, 3483, 3870, 4707, 5230, 5805, 6966, 7845, 9414, 11610, 14121, 15690, 17415, 22489, 23535, 28242, 34830, 42363, 44978, 47070, 67467, 70605, 84726, 112445, 134934, 141210, 202401, 211815, 224890, 337335, 404802, 423630, 607203, 674670, 1012005, 1214406, 1821609, 2024010, 3036015, 3643218, 6072030, 9108045, 18216090]

約数ペア:

[(1, 18216090), (2, 9108045), (3, 6072030), (5, 3643218), (6, 3036015), (9, 2024010), (10, 1821609), (15, 1214406), (18, 1012005), (27, 674670), (30, 607203), (43, 423630), (45, 404802), (54, 337335), (81, 224890), (86, 211815), (90, 202401), (129, 141210), (135, 134934), (162, 112445), (215, 84726), (258, 70605), (270, 67467), (387, 47070), (405, 44978), (430, 42363), (523, 34830), (645, 28242), (774, 23535), (810, 22489), (1046, 17415), (1161, 15690), (1290, 14121), (1569, 11610), (1935, 9414), (2322, 7845), (2615, 6966), (3138, 5805), (3483, 5230), (3870, 4707)]