18587678

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 28682640

約数和(自身を除く): 10094962

約数列:

[1, 2, 41, 82, 419, 541, 838, 1082, 17179, 22181, 34358, 44362, 226679, 453358, 9293839, 18587678]

約数ペア:

[(1, 18587678), (2, 9293839), (41, 453358), (82, 226679), (419, 44362), (541, 34358), (838, 22181), (1082, 17179)]