19171812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 49621824

約数和(自身を除く): 30450012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2381, 2684, 4026, 4762, 7143, 8052, 9524, 14286, 26191, 28572, 52382, 78573, 104764, 145241, 157146, 290482, 314292, 435723, 580964, 871446, 1597651, 1742892, 3195302, 4792953, 6390604, 9585906, 19171812]

約数ペア:

[(1, 19171812), (2, 9585906), (3, 6390604), (4, 4792953), (6, 3195302), (11, 1742892), (12, 1597651), (22, 871446), (33, 580964), (44, 435723), (61, 314292), (66, 290482), (122, 157146), (132, 145241), (183, 104764), (244, 78573), (366, 52382), (671, 28572), (732, 26191), (1342, 14286), (2013, 9524), (2381, 8052), (2684, 7143), (4026, 4762)]