19864044

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 53529840

約数和(自身を除く): 33665796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 113, 114, 171, 226, 228, 257, 339, 342, 452, 514, 678, 684, 771, 1017, 1028, 1356, 1542, 2034, 2147, 2313, 3084, 4068, 4294, 4626, 4883, 6441, 8588, 9252, 9766, 12882, 14649, 19323, 19532, 25764, 29041, 29298, 38646, 43947, 58082, 58596, 77292, 87123, 87894, 116164, 174246, 175788, 261369, 348492, 522738, 551779, 1045476, 1103558, 1655337, 2207116, 3310674, 4966011, 6621348, 9932022, 19864044]

約数ペア:

[(1, 19864044), (2, 9932022), (3, 6621348), (4, 4966011), (6, 3310674), (9, 2207116), (12, 1655337), (18, 1103558), (19, 1045476), (36, 551779), (38, 522738), (57, 348492), (76, 261369), (113, 175788), (114, 174246), (171, 116164), (226, 87894), (228, 87123), (257, 77292), (339, 58596), (342, 58082), (452, 43947), (514, 38646), (678, 29298), (684, 29041), (771, 25764), (1017, 19532), (1028, 19323), (1356, 14649), (1542, 12882), (2034, 9766), (2147, 9252), (2313, 8588), (3084, 6441), (4068, 4883), (4294, 4626)]