19933100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18121}}^1$

素因数の和:18146

約数の個数: 36

約数和(自身を含む): 47189688

約数和(自身を除く): 27256588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18121, 36242, 72484, 90605, 181210, 199331, 362420, 398662, 453025, 797324, 906050, 996655, 1812100, 1993310, 3986620, 4983275, 9966550, 19933100]

約数ペア:

[(1, 19933100), (2, 9966550), (4, 4983275), (5, 3986620), (10, 1993310), (11, 1812100), (20, 996655), (22, 906050), (25, 797324), (44, 453025), (50, 398662), (55, 362420), (100, 199331), (110, 181210), (220, 90605), (275, 72484), (550, 36242), (1100, 18121)]