19519118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4987}}^1$

素因数の和:5111

約数の個数: 16

約数和(自身を含む): 31125120

約数和(自身を除く): 11606002

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 4987, 9974, 94753, 189506, 513661, 1027322, 9759559, 19519118]

約数ペア:

[(1, 19519118), (2, 9759559), (19, 1027322), (38, 513661), (103, 189506), (206, 94753), (1957, 9974), (3914, 4987)]