19507229

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 22896000

約数和(自身を除く): 3388771

約数列:

[1, 7, 59, 149, 317, 413, 1043, 2219, 8791, 18703, 47233, 61537, 130921, 330631, 2786747, 19507229]

約数ペア:

[(1, 19507229), (7, 2786747), (59, 330631), (149, 130921), (317, 61537), (413, 47233), (1043, 18703), (2219, 8791)]