17966728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37123380

約数和(自身を除く): 19156652

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 137, 169, 194, 274, 338, 388, 548, 676, 776, 1096, 1261, 1352, 1781, 2522, 3562, 5044, 7124, 10088, 13289, 14248, 16393, 23153, 26578, 32786, 46306, 53156, 65572, 92612, 106312, 131144, 172757, 185224, 345514, 691028, 1382056, 2245841, 4491682, 8983364, 17966728]

約数ペア:

[(1, 17966728), (2, 8983364), (4, 4491682), (8, 2245841), (13, 1382056), (26, 691028), (52, 345514), (97, 185224), (104, 172757), (137, 131144), (169, 106312), (194, 92612), (274, 65572), (338, 53156), (388, 46306), (548, 32786), (676, 26578), (776, 23153), (1096, 16393), (1261, 14248), (1352, 13289), (1781, 10088), (2522, 7124), (3562, 5044)]