19154178

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 44542080

約数和(自身を除く): 25387902

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 73, 86, 113, 129, 146, 219, 226, 258, 339, 387, 438, 657, 678, 774, 1017, 1161, 1314, 1971, 2034, 2322, 3051, 3139, 3942, 4859, 6102, 6278, 8249, 9417, 9718, 14577, 16498, 18834, 24747, 28251, 29154, 43731, 49494, 56502, 74241, 84753, 87462, 131193, 148482, 169506, 222723, 262386, 354707, 445446, 709414, 1064121, 2128242, 3192363, 6384726, 9577089, 19154178]

約数ペア:

[(1, 19154178), (2, 9577089), (3, 6384726), (6, 3192363), (9, 2128242), (18, 1064121), (27, 709414), (43, 445446), (54, 354707), (73, 262386), (86, 222723), (113, 169506), (129, 148482), (146, 131193), (219, 87462), (226, 84753), (258, 74241), (339, 56502), (387, 49494), (438, 43731), (657, 29154), (678, 28251), (774, 24747), (1017, 18834), (1161, 16498), (1314, 14577), (1971, 9718), (2034, 9417), (2322, 8249), (3051, 6278), (3139, 6102), (3942, 4859)]