19992019010

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1579}}^1\times {\mathrm{6427}}^1$

素因数の和:8210

約数の個数: 32

約数和(自身を含む): 36196839360

約数和(自身を除く): 16204820350

約数列:

[1, 2, 5, 10, 197, 394, 985, 1579, 1970, 3158, 6427, 7895, 12854, 15790, 32135, 64270, 311063, 622126, 1266119, 1555315, 2532238, 3110630, 6330595, 10148233, 12661190, 20296466, 50741165, 101482330, 1999201901, 3998403802, 9996009505, 19992019010]

約数ペア:

[(1, 19992019010), (2, 9996009505), (5, 3998403802), (10, 1999201901), (197, 101482330), (394, 50741165), (985, 20296466), (1579, 12661190), (1970, 10148233), (3158, 6330595), (6427, 3110630), (7895, 2532238), (12854, 1555315), (15790, 1266119), (32135, 622126), (64270, 311063)]