19115800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8689}}^1$

素因数の和:8716

約数の個数: 48

約数和(自身を含む): 48490200

約数和(自身を除く): 29374400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8689, 17378, 34756, 43445, 69512, 86890, 95579, 173780, 191158, 217225, 347560, 382316, 434450, 477895, 764632, 868900, 955790, 1737800, 1911580, 2389475, 3823160, 4778950, 9557900, 19115800]

約数ペア:

[(1, 19115800), (2, 9557900), (4, 4778950), (5, 3823160), (8, 2389475), (10, 1911580), (11, 1737800), (20, 955790), (22, 868900), (25, 764632), (40, 477895), (44, 434450), (50, 382316), (55, 347560), (88, 217225), (100, 191158), (110, 173780), (200, 95579), (220, 86890), (275, 69512), (440, 43445), (550, 34756), (1100, 17378), (2200, 8689)]