18257216

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 56

約数和(自身を含む): 38526720

約数和(自身を除く): 20269504

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 79, 92, 157, 158, 184, 314, 316, 368, 628, 632, 736, 1256, 1264, 1472, 1817, 2512, 2528, 3611, 3634, 5024, 5056, 7222, 7268, 10048, 12403, 14444, 14536, 24806, 28888, 29072, 49612, 57776, 58144, 99224, 115552, 116288, 198448, 231104, 285269, 396896, 570538, 793792, 1141076, 2282152, 4564304, 9128608, 18257216]

約数ペア:

[(1, 18257216), (2, 9128608), (4, 4564304), (8, 2282152), (16, 1141076), (23, 793792), (32, 570538), (46, 396896), (64, 285269), (79, 231104), (92, 198448), (157, 116288), (158, 115552), (184, 99224), (314, 58144), (316, 57776), (368, 49612), (628, 29072), (632, 28888), (736, 24806), (1256, 14536), (1264, 14444), (1472, 12403), (1817, 10048), (2512, 7268), (2528, 7222), (3611, 5056), (3634, 5024)]