19923825

素因数分解:

$3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 33071296

約数和(自身を除く): 13147471

約数列:

[1, 3, 5, 15, 25, 75, 421, 631, 1263, 1893, 2105, 3155, 6315, 9465, 10525, 15775, 31575, 47325, 265651, 796953, 1328255, 3984765, 6641275, 19923825]

約数ペア:

[(1, 19923825), (3, 6641275), (5, 3984765), (15, 1328255), (25, 796953), (75, 265651), (421, 47325), (631, 31575), (1263, 15775), (1893, 10525), (2105, 9465), (3155, 6315)]