19752580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31859}}^1$

素因数の和:31899

約数の個数: 24

約数和(自身を含む): 42819840

約数和(自身を除く): 23067260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31859, 63718, 127436, 159295, 318590, 637180, 987629, 1975258, 3950516, 4938145, 9876290, 19752580]

約数ペア:

[(1, 19752580), (2, 9876290), (4, 4938145), (5, 3950516), (10, 1975258), (20, 987629), (31, 637180), (62, 318590), (124, 159295), (155, 127436), (310, 63718), (620, 31859)]