19927495

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 28345824

約数和(自身を除く): 8418329

約数列:

[1, 5, 7, 29, 35, 145, 203, 677, 841, 1015, 3385, 4205, 4739, 5887, 19633, 23695, 29435, 98165, 137431, 569357, 687155, 2846785, 3985499, 19927495]

約数ペア:

[(1, 19927495), (5, 3985499), (7, 2846785), (29, 687155), (35, 569357), (145, 137431), (203, 98165), (677, 29435), (841, 23695), (1015, 19633), (3385, 5887), (4205, 4739)]