19707160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44789}}^1$

素因数の和:44811

約数の個数: 32

約数和(自身を含む): 48373200

約数和(自身を除く): 28666040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44789, 89578, 179156, 223945, 358312, 447890, 492679, 895780, 985358, 1791560, 1970716, 2463395, 3941432, 4926790, 9853580, 19707160]

約数ペア:

[(1, 19707160), (2, 9853580), (4, 4926790), (5, 3941432), (8, 2463395), (10, 1970716), (11, 1791560), (20, 985358), (22, 895780), (40, 492679), (44, 447890), (55, 358312), (88, 223945), (110, 179156), (220, 89578), (440, 44789)]