18291728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 46247040

約数和(自身を除く): 27955312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 739, 884, 952, 1456, 1478, 1547, 1768, 1904, 2956, 3094, 3536, 5173, 5912, 6188, 9607, 10346, 11824, 12376, 12563, 19214, 20692, 24752, 25126, 38428, 41384, 50252, 67249, 76856, 82768, 87941, 100504, 134498, 153712, 163319, 175882, 201008, 268996, 326638, 351764, 537992, 653276, 703528, 1075984, 1143233, 1306552, 1407056, 2286466, 2613104, 4572932, 9145864, 18291728]

約数ペア:

[(1, 18291728), (2, 9145864), (4, 4572932), (7, 2613104), (8, 2286466), (13, 1407056), (14, 1306552), (16, 1143233), (17, 1075984), (26, 703528), (28, 653276), (34, 537992), (52, 351764), (56, 326638), (68, 268996), (91, 201008), (104, 175882), (112, 163319), (119, 153712), (136, 134498), (182, 100504), (208, 87941), (221, 82768), (238, 76856), (272, 67249), (364, 50252), (442, 41384), (476, 38428), (728, 25126), (739, 24752), (884, 20692), (952, 19214), (1456, 12563), (1478, 12376), (1547, 11824), (1768, 10346), (1904, 9607), (2956, 6188), (3094, 5912), (3536, 5173)]