18945325

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1483}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 27234368

約数和(自身を除く): 8289043

約数列:

[1, 5, 7, 25, 35, 73, 175, 365, 511, 1483, 1825, 2555, 7415, 10381, 12775, 37075, 51905, 108259, 259525, 541295, 757813, 2706475, 3789065, 18945325]

約数ペア:

[(1, 18945325), (5, 3789065), (7, 2706475), (25, 757813), (35, 541295), (73, 259525), (175, 108259), (365, 51905), (511, 37075), (1483, 12775), (1825, 10381), (2555, 7415)]