18971569792

素因数分解:

$2^7\times 7^1\times {\mathrm{223}}^1\times {\mathrm{94949}}^1$

素因数の和:95193

約数の個数: 64

約数和(自身を含む): 43388352000

約数和(自身を除く): 24416782208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 223, 224, 446, 448, 892, 896, 1561, 1784, 3122, 3568, 6244, 7136, 12488, 14272, 24976, 28544, 49952, 94949, 99904, 189898, 199808, 379796, 664643, 759592, 1329286, 1519184, 2658572, 3038368, 5317144, 6076736, 10634288, 12153472, 21173627, 21268576, 42347254, 42537152, 84694508, 85074304, 148215389, 169389016, 296430778, 338778032, 592861556, 677556064, 1185723112, 1355112128, 2371446224, 2710224256, 4742892448, 9485784896, 18971569792]

約数ペア:

[(1, 18971569792), (2, 9485784896), (4, 4742892448), (7, 2710224256), (8, 2371446224), (14, 1355112128), (16, 1185723112), (28, 677556064), (32, 592861556), (56, 338778032), (64, 296430778), (112, 169389016), (128, 148215389), (223, 85074304), (224, 84694508), (446, 42537152), (448, 42347254), (892, 21268576), (896, 21173627), (1561, 12153472), (1784, 10634288), (3122, 6076736), (3568, 5317144), (6244, 3038368), (7136, 2658572), (12488, 1519184), (14272, 1329286), (24976, 759592), (28544, 664643), (49952, 379796), (94949, 199808), (99904, 189898)]