19155720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{159631}}^1$

素因数の和:159645

約数の個数: 32

約数和(自身を含む): 57467520

約数和(自身を除く): 38311800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 159631, 319262, 478893, 638524, 798155, 957786, 1277048, 1596310, 1915572, 2394465, 3192620, 3831144, 4788930, 6385240, 9577860, 19155720]

約数ペア:

[(1, 19155720), (2, 9577860), (3, 6385240), (4, 4788930), (5, 3831144), (6, 3192620), (8, 2394465), (10, 1915572), (12, 1596310), (15, 1277048), (20, 957786), (24, 798155), (30, 638524), (40, 478893), (60, 319262), (120, 159631)]