19186980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11027}}^1$

素因数の和:11068

約数の個数: 48

約数和(自身を含む): 55581120

約数和(自身を除く): 36394140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11027, 22054, 33081, 44108, 55135, 66162, 110270, 132324, 165405, 220540, 319783, 330810, 639566, 661620, 959349, 1279132, 1598915, 1918698, 3197830, 3837396, 4796745, 6395660, 9593490, 19186980]

約数ペア:

[(1, 19186980), (2, 9593490), (3, 6395660), (4, 4796745), (5, 3837396), (6, 3197830), (10, 1918698), (12, 1598915), (15, 1279132), (20, 959349), (29, 661620), (30, 639566), (58, 330810), (60, 319783), (87, 220540), (116, 165405), (145, 132324), (174, 110270), (290, 66162), (348, 55135), (435, 44108), (580, 33081), (870, 22054), (1740, 11027)]