18138016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 21022784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 739, 767, 944, 1478, 1534, 1888, 2956, 3068, 5912, 6136, 9607, 11824, 12272, 19214, 23648, 24544, 38428, 43601, 76856, 87202, 153712, 174404, 307424, 348808, 566813, 697616, 1133626, 1395232, 2267252, 4534504, 9069008, 18138016]

約数ペア:

[(1, 18138016), (2, 9069008), (4, 4534504), (8, 2267252), (13, 1395232), (16, 1133626), (26, 697616), (32, 566813), (52, 348808), (59, 307424), (104, 174404), (118, 153712), (208, 87202), (236, 76856), (416, 43601), (472, 38428), (739, 24544), (767, 23648), (944, 19214), (1478, 12272), (1534, 11824), (1888, 9607), (2956, 6136), (3068, 5912)]