19818270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 54624240

約数和(自身を除く): 34805970

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, 569, 645, 774, 810, 1138, 1161, 1290, 1707, 1935, 2322, 2845, 3414, 3483, 3870, 5121, 5690, 5805, 6966, 8535, 10242, 11610, 15363, 17070, 17415, 24467, 25605, 30726, 34830, 46089, 48934, 51210, 73401, 76815, 92178, 122335, 146802, 153630, 220203, 230445, 244670, 367005, 440406, 460890, 660609, 734010, 1101015, 1321218, 1981827, 2202030, 3303045, 3963654, 6606090, 9909135, 19818270]

約数ペア:

[(1, 19818270), (2, 9909135), (3, 6606090), (5, 3963654), (6, 3303045), (9, 2202030), (10, 1981827), (15, 1321218), (18, 1101015), (27, 734010), (30, 660609), (43, 460890), (45, 440406), (54, 367005), (81, 244670), (86, 230445), (90, 220203), (129, 153630), (135, 146802), (162, 122335), (215, 92178), (258, 76815), (270, 73401), (387, 51210), (405, 48934), (430, 46089), (569, 34830), (645, 30726), (774, 25605), (810, 24467), (1138, 17415), (1161, 17070), (1290, 15363), (1707, 11610), (1935, 10242), (2322, 8535), (2845, 6966), (3414, 5805), (3483, 5690), (3870, 5121)]