18733208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21183592

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 71, 86, 104, 118, 142, 172, 236, 284, 344, 472, 559, 568, 767, 923, 1118, 1534, 1846, 2236, 2537, 3053, 3068, 3692, 4189, 4472, 5074, 6106, 6136, 7384, 8378, 10148, 12212, 16756, 20296, 24424, 32981, 33512, 39689, 54457, 65962, 79378, 108914, 131924, 158756, 180127, 217828, 263848, 317512, 360254, 435656, 720508, 1441016, 2341651, 4683302, 9366604, 18733208]

約数ペア:

[(1, 18733208), (2, 9366604), (4, 4683302), (8, 2341651), (13, 1441016), (26, 720508), (43, 435656), (52, 360254), (59, 317512), (71, 263848), (86, 217828), (104, 180127), (118, 158756), (142, 131924), (172, 108914), (236, 79378), (284, 65962), (344, 54457), (472, 39689), (559, 33512), (568, 32981), (767, 24424), (923, 20296), (1118, 16756), (1534, 12212), (1846, 10148), (2236, 8378), (2537, 7384), (3053, 6136), (3068, 6106), (3692, 5074), (4189, 4472)]