19725237

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13649

約数の個数: 24

約数和(自身を含む): 33980544

約数和(自身を除く): 14255307

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13613, 40839, 95291, 122517, 285873, 313099, 857619, 939297, 2191693, 2817891, 6575079, 19725237]

約数ペア:

[(1, 19725237), (3, 6575079), (7, 2817891), (9, 2191693), (21, 939297), (23, 857619), (63, 313099), (69, 285873), (161, 122517), (207, 95291), (483, 40839), (1449, 13613)]