18880312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2083}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 39012480

約数和(自身を除く): 20132168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2083, 2266, 4166, 4532, 8332, 9064, 16664, 22913, 45826, 91652, 183304, 214549, 429098, 858196, 1716392, 2360039, 4720078, 9440156, 18880312]

約数ペア:

[(1, 18880312), (2, 9440156), (4, 4720078), (8, 2360039), (11, 1716392), (22, 858196), (44, 429098), (88, 214549), (103, 183304), (206, 91652), (412, 45826), (824, 22913), (1133, 16664), (2083, 9064), (2266, 8332), (4166, 4532)]