19898161925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{1553}}^1\times {\mathrm{22283}}^1$

素因数の和:23869

約数の個数: 24

約数和(自身を含む): 25764225984

約数和(自身を除く): 5866064059

約数列:

[1, 5, 23, 25, 115, 575, 1553, 7765, 22283, 35719, 38825, 111415, 178595, 512509, 557075, 892975, 2562545, 12812725, 34605499, 173027495, 795926477, 865137475, 3979632385, 19898161925]

約数ペア:

[(1, 19898161925), (5, 3979632385), (23, 865137475), (25, 795926477), (115, 173027495), (575, 34605499), (1553, 12812725), (7765, 2562545), (22283, 892975), (35719, 557075), (38825, 512509), (111415, 178595)]