18700656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1350

約数の個数: 80

約数和(自身を含む): 54329856

約数和(自身を除く): 35629200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1303, 1794, 2392, 2606, 3588, 3909, 4784, 5212, 7176, 7818, 10424, 14352, 15636, 16939, 20848, 29969, 31272, 33878, 50817, 59938, 62544, 67756, 89907, 101634, 119876, 135512, 179814, 203268, 239752, 271024, 359628, 389597, 406536, 479504, 719256, 779194, 813072, 1168791, 1438512, 1558388, 2337582, 3116776, 4675164, 6233552, 9350328, 18700656]

約数ペア:

[(1, 18700656), (2, 9350328), (3, 6233552), (4, 4675164), (6, 3116776), (8, 2337582), (12, 1558388), (13, 1438512), (16, 1168791), (23, 813072), (24, 779194), (26, 719256), (39, 479504), (46, 406536), (48, 389597), (52, 359628), (69, 271024), (78, 239752), (92, 203268), (104, 179814), (138, 135512), (156, 119876), (184, 101634), (208, 89907), (276, 67756), (299, 62544), (312, 59938), (368, 50817), (552, 33878), (598, 31272), (624, 29969), (897, 20848), (1104, 16939), (1196, 15636), (1303, 14352), (1794, 10424), (2392, 7818), (2606, 7176), (3588, 5212), (3909, 4784)]