1999163090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1\times {\mathrm{6491}}^1$

素因数の和:8138

約数の個数: 32

約数和(自身を含む): 3790808640

約数和(自身を除く): 1791645550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1621, 3242, 6491, 8105, 12982, 16210, 30799, 32455, 61598, 64910, 123329, 153995, 246658, 307990, 616645, 1233290, 10521911, 21043822, 52609555, 105219110, 199916309, 399832618, 999581545, 1999163090]

約数ペア:

[(1, 1999163090), (2, 999581545), (5, 399832618), (10, 199916309), (19, 105219110), (38, 52609555), (95, 21043822), (190, 10521911), (1621, 1233290), (3242, 616645), (6491, 307990), (8105, 246658), (12982, 153995), (16210, 123329), (30799, 64910), (32455, 61598)]