19663137

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7307}}^1$

素因数の和:7349

約数の個数: 24

約数和(自身を含む): 31921344

約数和(自身を除く): 12258207

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7307, 21921, 65763, 94991, 168061, 284973, 504183, 854919, 1512549, 2184793, 6554379, 19663137]

約数ペア:

[(1, 19663137), (3, 6554379), (9, 2184793), (13, 1512549), (23, 854919), (39, 504183), (69, 284973), (117, 168061), (207, 94991), (299, 65763), (897, 21921), (2691, 7307)]