18911884

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 34645968

約数和(自身を除く): 15734084

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2411, 3922, 4822, 7844, 9644, 89207, 127783, 178414, 255566, 356828, 511132, 4727971, 9455942, 18911884]

約数ペア:

[(1, 18911884), (2, 9455942), (4, 4727971), (37, 511132), (53, 356828), (74, 255566), (106, 178414), (148, 127783), (212, 89207), (1961, 9644), (2411, 7844), (3922, 4822)]