19915160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29287}}^1$

素因数の和:29315

約数の個数: 32

約数和(自身を含む): 47446560

約数和(自身を除く): 27531400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29287, 58574, 117148, 146435, 234296, 292870, 497879, 585740, 995758, 1171480, 1991516, 2489395, 3983032, 4978790, 9957580, 19915160]

約数ペア:

[(1, 19915160), (2, 9957580), (4, 4978790), (5, 3983032), (8, 2489395), (10, 1991516), (17, 1171480), (20, 995758), (34, 585740), (40, 497879), (68, 292870), (85, 234296), (136, 146435), (170, 117148), (340, 58574), (680, 29287)]