18378317692

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{10337}}^1$

素因数の和:10595

約数の個数: 72

約数和(自身を含む): 38410714944

約数和(自身を除く): 20032397252

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 193, 196, 329, 386, 658, 772, 1316, 1351, 2303, 2702, 4606, 5404, 9071, 9212, 9457, 10337, 18142, 18914, 20674, 36284, 37828, 41348, 63497, 72359, 126994, 144718, 253988, 289436, 444479, 485839, 506513, 888958, 971678, 1013026, 1777916, 1943356, 1995041, 2026052, 3400873, 3990082, 6801746, 7980164, 13603492, 13965287, 23806111, 27930574, 47612222, 55861148, 93766927, 95224444, 97757009, 187533854, 195514018, 375067708, 391028036, 656368489, 1312736978, 2625473956, 4594579423, 9189158846, 18378317692]

約数ペア:

[(1, 18378317692), (2, 9189158846), (4, 4594579423), (7, 2625473956), (14, 1312736978), (28, 656368489), (47, 391028036), (49, 375067708), (94, 195514018), (98, 187533854), (188, 97757009), (193, 95224444), (196, 93766927), (329, 55861148), (386, 47612222), (658, 27930574), (772, 23806111), (1316, 13965287), (1351, 13603492), (2303, 7980164), (2702, 6801746), (4606, 3990082), (5404, 3400873), (9071, 2026052), (9212, 1995041), (9457, 1943356), (10337, 1777916), (18142, 1013026), (18914, 971678), (20674, 888958), (36284, 506513), (37828, 485839), (41348, 444479), (63497, 289436), (72359, 253988), (126994, 144718)]