19861758

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3217}}^1$

素因数の和:3246

約数の個数: 48

約数和(自身を含む): 50200800

約数和(自身を除く): 30339042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3217, 6174, 6434, 9651, 19302, 22519, 28953, 45038, 57906, 67557, 135114, 157633, 202671, 315266, 405342, 472899, 945798, 1103431, 1418697, 2206862, 2837394, 3310293, 6620586, 9930879, 19861758]

約数ペア:

[(1, 19861758), (2, 9930879), (3, 6620586), (6, 3310293), (7, 2837394), (9, 2206862), (14, 1418697), (18, 1103431), (21, 945798), (42, 472899), (49, 405342), (63, 315266), (98, 202671), (126, 157633), (147, 135114), (294, 67557), (343, 57906), (441, 45038), (686, 28953), (882, 22519), (1029, 19302), (2058, 9651), (3087, 6434), (3217, 6174)]