17980744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{72503}}^1$

素因数の和:72540

約数の個数: 16

約数和(自身を含む): 34801920

約数和(自身を除く): 16821176

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 72503, 145006, 290012, 580024, 2247593, 4495186, 8990372, 17980744]

約数ペア:

[(1, 17980744), (2, 8990372), (4, 4495186), (8, 2247593), (31, 580024), (62, 290012), (124, 145006), (248, 72503)]