18844504

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 43200000

約数和(自身を除く): 24355496

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 199, 266, 356, 398, 532, 623, 712, 796, 1064, 1246, 1393, 1592, 1691, 2492, 2786, 3382, 3781, 4984, 5572, 6764, 7562, 11144, 11837, 13528, 15124, 17711, 23674, 26467, 30248, 35422, 47348, 52934, 70844, 94696, 105868, 123977, 141688, 211736, 247954, 336509, 495908, 673018, 991816, 1346036, 2355563, 2692072, 4711126, 9422252, 18844504]

約数ペア:

[(1, 18844504), (2, 9422252), (4, 4711126), (7, 2692072), (8, 2355563), (14, 1346036), (19, 991816), (28, 673018), (38, 495908), (56, 336509), (76, 247954), (89, 211736), (133, 141688), (152, 123977), (178, 105868), (199, 94696), (266, 70844), (356, 52934), (398, 47348), (532, 35422), (623, 30248), (712, 26467), (796, 23674), (1064, 17711), (1246, 15124), (1393, 13528), (1592, 11837), (1691, 11144), (2492, 7562), (2786, 6764), (3382, 5572), (3781, 4984)]