18989988

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{4483}}^1$

素因数の和:4843

約数の個数: 24

約数和(自身を含む): 44445408

約数和(自身を除く): 25455420

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 4483, 8966, 13449, 17932, 26898, 53796, 1582499, 3164998, 4747497, 6329996, 9494994, 18989988]

約数ペア:

[(1, 18989988), (2, 9494994), (3, 6329996), (4, 4747497), (6, 3164998), (12, 1582499), (353, 53796), (706, 26898), (1059, 17932), (1412, 13449), (2118, 8966), (4236, 4483)]