19930815

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2447}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 34751808

約数和(自身を除く): 14820993

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2447, 2715, 7341, 8145, 12235, 22023, 36705, 110115, 442907, 1328721, 2214535, 3986163, 6643605, 19930815]

約数ペア:

[(1, 19930815), (3, 6643605), (5, 3986163), (9, 2214535), (15, 1328721), (45, 442907), (181, 110115), (543, 36705), (905, 22023), (1629, 12235), (2447, 8145), (2715, 7341)]