17921110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 15609002

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 587, 710, 1174, 2935, 3053, 5870, 6106, 15265, 25241, 30530, 41677, 50482, 83354, 126205, 208385, 252410, 416770, 1792111, 3584222, 8960555, 17921110]

約数ペア:

[(1, 17921110), (2, 8960555), (5, 3584222), (10, 1792111), (43, 416770), (71, 252410), (86, 208385), (142, 126205), (215, 83354), (355, 50482), (430, 41677), (587, 30530), (710, 25241), (1174, 15265), (2935, 6106), (3053, 5870)]