18739550

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2861}}^1$

素因数の和:3004

約数の個数: 24

約数和(自身を含む): 35133912

約数和(自身を除く): 16394362

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 2861, 3275, 5722, 6550, 14305, 28610, 71525, 143050, 374791, 749582, 1873955, 3747910, 9369775, 18739550]

約数ペア:

[(1, 18739550), (2, 9369775), (5, 3747910), (10, 1873955), (25, 749582), (50, 374791), (131, 143050), (262, 71525), (655, 28610), (1310, 14305), (2861, 6550), (3275, 5722)]