18917418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{857}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 40936896

約数和(自身を除く): 22019478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 283, 566, 849, 857, 1698, 1714, 2571, 3679, 5142, 7358, 11037, 11141, 22074, 22282, 33423, 66846, 242531, 485062, 727593, 1455186, 3152903, 6305806, 9458709, 18917418]

約数ペア:

[(1, 18917418), (2, 9458709), (3, 6305806), (6, 3152903), (13, 1455186), (26, 727593), (39, 485062), (78, 242531), (283, 66846), (566, 33423), (849, 22282), (857, 22074), (1698, 11141), (1714, 11037), (2571, 7358), (3679, 5142)]