19402225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 25748352

約数和(自身を除く): 6346127

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 823, 943, 1025, 4115, 4715, 18929, 20575, 23575, 33743, 94645, 168715, 473225, 776089, 843575, 3880445, 19402225]

約数ペア:

[(1, 19402225), (5, 3880445), (23, 843575), (25, 776089), (41, 473225), (115, 168715), (205, 94645), (575, 33743), (823, 23575), (943, 20575), (1025, 18929), (4115, 4715)]