19934556

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 47892768

約数和(自身を除く): 27958212

約数列:

[1, 2, 3, 4, 6, 12, 61, 113, 122, 183, 226, 241, 244, 339, 366, 452, 482, 678, 723, 732, 964, 1356, 1446, 2892, 6893, 13786, 14701, 20679, 27233, 27572, 29402, 41358, 44103, 54466, 58804, 81699, 82716, 88206, 108932, 163398, 176412, 326796, 1661213, 3322426, 4983639, 6644852, 9967278, 19934556]

約数ペア:

[(1, 19934556), (2, 9967278), (3, 6644852), (4, 4983639), (6, 3322426), (12, 1661213), (61, 326796), (113, 176412), (122, 163398), (183, 108932), (226, 88206), (241, 82716), (244, 81699), (339, 58804), (366, 54466), (452, 44103), (482, 41358), (678, 29402), (723, 27572), (732, 27233), (964, 20679), (1356, 14701), (1446, 13786), (2892, 6893)]