20191610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17305990

約数列:

[1, 2, 5, 10, 61, 79, 122, 158, 305, 395, 419, 610, 790, 838, 2095, 4190, 4819, 9638, 24095, 25559, 33101, 48190, 51118, 66202, 127795, 165505, 255590, 331010, 2019161, 4038322, 10095805, 20191610]

約数ペア:

[(1, 20191610), (2, 10095805), (5, 4038322), (10, 2019161), (61, 331010), (79, 255590), (122, 165505), (158, 127795), (305, 66202), (395, 51118), (419, 48190), (610, 33101), (790, 25559), (838, 24095), (2095, 9638), (4190, 4819)]