18368580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 51629760

約数和(自身を除く): 33261180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 787, 1167, 1556, 1574, 1945, 2334, 2361, 3148, 3890, 3935, 4668, 4722, 5835, 7780, 7870, 9444, 11670, 11805, 15740, 23340, 23610, 47220, 306143, 612286, 918429, 1224572, 1530715, 1836858, 3061430, 3673716, 4592145, 6122860, 9184290, 18368580]

約数ペア:

[(1, 18368580), (2, 9184290), (3, 6122860), (4, 4592145), (5, 3673716), (6, 3061430), (10, 1836858), (12, 1530715), (15, 1224572), (20, 918429), (30, 612286), (60, 306143), (389, 47220), (778, 23610), (787, 23340), (1167, 15740), (1556, 11805), (1574, 11670), (1945, 9444), (2334, 7870), (2361, 7780), (3148, 5835), (3890, 4722), (3935, 4668)]