19221447

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6143}}^1$

素因数の和:6302

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 10269753

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6143, 18429, 43001, 129003, 915307, 2745921, 6407149, 19221447]

約数ペア:

[(1, 19221447), (3, 6407149), (7, 2745921), (21, 915307), (149, 129003), (447, 43001), (1043, 18429), (3129, 6143)]