18741424

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 60

約数和(自身を含む): 40845600

約数和(自身を除く): 22104176

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 169, 208, 232, 239, 338, 377, 464, 478, 676, 754, 956, 1352, 1508, 1912, 2704, 3016, 3107, 3824, 4901, 6032, 6214, 6931, 9802, 12428, 13862, 19604, 24856, 27724, 39208, 40391, 49712, 55448, 78416, 80782, 90103, 110896, 161564, 180206, 323128, 360412, 646256, 720824, 1171339, 1441648, 2342678, 4685356, 9370712, 18741424]

約数ペア:

[(1, 18741424), (2, 9370712), (4, 4685356), (8, 2342678), (13, 1441648), (16, 1171339), (26, 720824), (29, 646256), (52, 360412), (58, 323128), (104, 180206), (116, 161564), (169, 110896), (208, 90103), (232, 80782), (239, 78416), (338, 55448), (377, 49712), (464, 40391), (478, 39208), (676, 27724), (754, 24856), (956, 19604), (1352, 13862), (1508, 12428), (1912, 9802), (2704, 6931), (3016, 6214), (3107, 6032), (3824, 4901)]