18760144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 42497280

約数和(自身を除く): 23737136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 101, 104, 152, 188, 202, 208, 247, 304, 376, 404, 494, 611, 752, 808, 893, 988, 1222, 1313, 1616, 1786, 1919, 1976, 2444, 2626, 3572, 3838, 3952, 4747, 4888, 5252, 7144, 7676, 9494, 9776, 10504, 11609, 14288, 15352, 18988, 21008, 23218, 24947, 30704, 37976, 46436, 49894, 61711, 75952, 90193, 92872, 99788, 123422, 180386, 185744, 199576, 246844, 360772, 399152, 493688, 721544, 987376, 1172509, 1443088, 2345018, 4690036, 9380072, 18760144]

約数ペア:

[(1, 18760144), (2, 9380072), (4, 4690036), (8, 2345018), (13, 1443088), (16, 1172509), (19, 987376), (26, 721544), (38, 493688), (47, 399152), (52, 360772), (76, 246844), (94, 199576), (101, 185744), (104, 180386), (152, 123422), (188, 99788), (202, 92872), (208, 90193), (247, 75952), (304, 61711), (376, 49894), (404, 46436), (494, 37976), (611, 30704), (752, 24947), (808, 23218), (893, 21008), (988, 18988), (1222, 15352), (1313, 14288), (1616, 11609), (1786, 10504), (1919, 9776), (1976, 9494), (2444, 7676), (2626, 7144), (3572, 5252), (3838, 4888), (3952, 4747)]