18978378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 40165440

約数和(自身を除く): 21187062

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 277, 554, 601, 831, 1202, 1662, 1803, 3606, 5263, 10526, 11419, 15789, 22838, 31578, 34257, 68514, 166477, 332954, 499431, 998862, 3163063, 6326126, 9489189, 18978378]

約数ペア:

[(1, 18978378), (2, 9489189), (3, 6326126), (6, 3163063), (19, 998862), (38, 499431), (57, 332954), (114, 166477), (277, 68514), (554, 34257), (601, 31578), (831, 22838), (1202, 15789), (1662, 11419), (1803, 10526), (3606, 5263)]