18091424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 38740968

約数和(自身を除く): 20649544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 208, 277, 314, 416, 554, 628, 1108, 1256, 2041, 2216, 2512, 3601, 4082, 4432, 5024, 7202, 8164, 8864, 14404, 16328, 28808, 32656, 43489, 57616, 65312, 86978, 115232, 173956, 347912, 565357, 695824, 1130714, 1391648, 2261428, 4522856, 9045712, 18091424]

約数ペア:

[(1, 18091424), (2, 9045712), (4, 4522856), (8, 2261428), (13, 1391648), (16, 1130714), (26, 695824), (32, 565357), (52, 347912), (104, 173956), (157, 115232), (208, 86978), (277, 65312), (314, 57616), (416, 43489), (554, 32656), (628, 28808), (1108, 16328), (1256, 14404), (2041, 8864), (2216, 8164), (2512, 7202), (3601, 5024), (4082, 4432)]