19100080

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1165

約数の個数: 40

約数和(自身を含む): 44622144

約数和(自身を除く): 25522064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 881, 1084, 1355, 1762, 2168, 2710, 3524, 4336, 4405, 5420, 7048, 8810, 10840, 14096, 17620, 21680, 35240, 70480, 238751, 477502, 955004, 1193755, 1910008, 2387510, 3820016, 4775020, 9550040, 19100080]

約数ペア:

[(1, 19100080), (2, 9550040), (4, 4775020), (5, 3820016), (8, 2387510), (10, 1910008), (16, 1193755), (20, 955004), (40, 477502), (80, 238751), (271, 70480), (542, 35240), (881, 21680), (1084, 17620), (1355, 14096), (1762, 10840), (2168, 8810), (2710, 7048), (3524, 5420), (4336, 4405)]