18906225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19391}}^1$

素因数の和:19417

約数の個数: 24

約数和(自身を含む): 33664512

約数和(自身を除く): 14758287

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 19391, 58173, 96955, 252083, 290865, 484775, 756249, 1260415, 1454325, 3781245, 6302075, 18906225]

約数ペア:

[(1, 18906225), (3, 6302075), (5, 3781245), (13, 1454325), (15, 1260415), (25, 756249), (39, 484775), (65, 290865), (75, 252083), (195, 96955), (325, 58173), (975, 19391)]