19974430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 21704930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4019, 4970, 8038, 20095, 28133, 40190, 56266, 140665, 281330, 285349, 570698, 1426745, 1997443, 2853490, 3994886, 9987215, 19974430]

約数ペア:

[(1, 19974430), (2, 9987215), (5, 3994886), (7, 2853490), (10, 1997443), (14, 1426745), (35, 570698), (70, 285349), (71, 281330), (142, 140665), (355, 56266), (497, 40190), (710, 28133), (994, 20095), (2485, 8038), (4019, 4970)]