18972868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8053}}^1$

素因数の和:8107

約数の個数: 24

約数和(自身を含む): 36081920

約数和(自身を除く): 17109052

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8053, 16106, 32212, 153007, 249643, 306014, 499286, 612028, 998572, 4743217, 9486434, 18972868]

約数ペア:

[(1, 18972868), (2, 9486434), (4, 4743217), (19, 998572), (31, 612028), (38, 499286), (62, 306014), (76, 249643), (124, 153007), (589, 32212), (1178, 16106), (2356, 8053)]