19201305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 32745600

約数和(自身を除く): 13544295

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 757, 1335, 1691, 2271, 3785, 5073, 8455, 11355, 14383, 25365, 43149, 67373, 71915, 202119, 215745, 336865, 1010595, 1280087, 3840261, 6400435, 19201305]

約数ペア:

[(1, 19201305), (3, 6400435), (5, 3840261), (15, 1280087), (19, 1010595), (57, 336865), (89, 215745), (95, 202119), (267, 71915), (285, 67373), (445, 43149), (757, 25365), (1335, 14383), (1691, 11355), (2271, 8455), (3785, 5073)]