18631930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{60103}}^1$

素因数の和:60141

約数の個数: 16

約数和(自身を含む): 34619904

約数和(自身を除く): 15987974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 60103, 120206, 300515, 601030, 1863193, 3726386, 9315965, 18631930]

約数ペア:

[(1, 18631930), (2, 9315965), (5, 3726386), (10, 1863193), (31, 601030), (62, 300515), (155, 120206), (310, 60103)]