19716760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1051}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 51505920

約数和(自身を除く): 31789160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1051, 1340, 1876, 2102, 2345, 2680, 3752, 4204, 4690, 5255, 7357, 8408, 9380, 10510, 14714, 18760, 21020, 29428, 36785, 42040, 58856, 70417, 73570, 140834, 147140, 281668, 294280, 352085, 492919, 563336, 704170, 985838, 1408340, 1971676, 2464595, 2816680, 3943352, 4929190, 9858380, 19716760]

約数ペア:

[(1, 19716760), (2, 9858380), (4, 4929190), (5, 3943352), (7, 2816680), (8, 2464595), (10, 1971676), (14, 1408340), (20, 985838), (28, 704170), (35, 563336), (40, 492919), (56, 352085), (67, 294280), (70, 281668), (134, 147140), (140, 140834), (268, 73570), (280, 70417), (335, 58856), (469, 42040), (536, 36785), (670, 29428), (938, 21020), (1051, 18760), (1340, 14714), (1876, 10510), (2102, 9380), (2345, 8408), (2680, 7357), (3752, 5255), (4204, 4690)]