18785754

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 44876832

約数和(自身を除く): 26091078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 1867, 3354, 3734, 5031, 5601, 10062, 11202, 16803, 24271, 33606, 48542, 72813, 80281, 145626, 160562, 218439, 240843, 436878, 481686, 722529, 1043653, 1445058, 2087306, 3130959, 6261918, 9392877, 18785754]

約数ペア:

[(1, 18785754), (2, 9392877), (3, 6261918), (6, 3130959), (9, 2087306), (13, 1445058), (18, 1043653), (26, 722529), (39, 481686), (43, 436878), (78, 240843), (86, 218439), (117, 160562), (129, 145626), (234, 80281), (258, 72813), (387, 48542), (559, 33606), (774, 24271), (1118, 16803), (1677, 11202), (1867, 10062), (3354, 5601), (3734, 5031)]