15920298

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 36082176

約数和(自身を除く): 20161878

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 277, 279, 309, 554, 558, 618, 831, 927, 1662, 1854, 2493, 3193, 4986, 6386, 8587, 9579, 17174, 19158, 25761, 28531, 28737, 51522, 57062, 57474, 77283, 85593, 154566, 171186, 256779, 513558, 884461, 1768922, 2653383, 5306766, 7960149, 15920298]

約数ペア:

[(1, 15920298), (2, 7960149), (3, 5306766), (6, 2653383), (9, 1768922), (18, 884461), (31, 513558), (62, 256779), (93, 171186), (103, 154566), (186, 85593), (206, 77283), (277, 57474), (279, 57062), (309, 51522), (554, 28737), (558, 28531), (618, 25761), (831, 19158), (927, 17174), (1662, 9579), (1854, 8587), (2493, 6386), (3193, 4986)]