19839125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3749

約数の個数: 16

約数和(自身を含む): 25341888

約数和(自身を除く): 5502763

約数列:

[1, 5, 25, 43, 125, 215, 1075, 3691, 5375, 18455, 92275, 158713, 461375, 793565, 3967825, 19839125]

約数ペア:

[(1, 19839125), (5, 3967825), (25, 793565), (43, 461375), (125, 158713), (215, 92275), (1075, 18455), (3691, 5375)]