19555910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 19151290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1279, 1390, 1529, 2558, 3058, 6395, 7645, 12790, 14069, 15290, 28138, 70345, 140690, 177781, 355562, 888905, 1777810, 1955591, 3911182, 9777955, 19555910]

約数ペア:

[(1, 19555910), (2, 9777955), (5, 3911182), (10, 1955591), (11, 1777810), (22, 888905), (55, 355562), (110, 177781), (139, 140690), (278, 70345), (695, 28138), (1279, 15290), (1390, 14069), (1529, 12790), (2558, 7645), (3058, 6395)]