18599680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 48639024

約数和(自身を除く): 30039344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1321, 1408, 1760, 2642, 2816, 3520, 5284, 6605, 7040, 10568, 13210, 14080, 14531, 21136, 26420, 29062, 42272, 52840, 58124, 72655, 84544, 105680, 116248, 145310, 169088, 211360, 232496, 290620, 338176, 422720, 464992, 581240, 845440, 929984, 1162480, 1690880, 1859968, 2324960, 3719936, 4649920, 9299840, 18599680]

約数ペア:

[(1, 18599680), (2, 9299840), (4, 4649920), (5, 3719936), (8, 2324960), (10, 1859968), (11, 1690880), (16, 1162480), (20, 929984), (22, 845440), (32, 581240), (40, 464992), (44, 422720), (55, 338176), (64, 290620), (80, 232496), (88, 211360), (110, 169088), (128, 145310), (160, 116248), (176, 105680), (220, 84544), (256, 72655), (320, 58124), (352, 52840), (440, 42272), (640, 29062), (704, 26420), (880, 21136), (1280, 14531), (1321, 14080), (1408, 13210), (1760, 10568), (2642, 7040), (2816, 6605), (3520, 5284)]