18988983

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9547}}^1$

素因数の和:9583

約数の個数: 24

約数和(自身を含む): 31279248

約数和(自身を除く): 12290265

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9547, 28641, 85923, 124111, 162299, 372333, 486897, 1116999, 1460691, 2109887, 6329661, 18988983]

約数ペア:

[(1, 18988983), (3, 6329661), (9, 2109887), (13, 1460691), (17, 1116999), (39, 486897), (51, 372333), (117, 162299), (153, 124111), (221, 85923), (663, 28641), (1989, 9547)]