19252640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10939}}^1$

素因数の和:10965

約数の個数: 48

約数和(自身を含む): 49623840

約数和(自身を除く): 30371200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10939, 21878, 43756, 54695, 87512, 109390, 120329, 175024, 218780, 240658, 350048, 437560, 481316, 601645, 875120, 962632, 1203290, 1750240, 1925264, 2406580, 3850528, 4813160, 9626320, 19252640]

約数ペア:

[(1, 19252640), (2, 9626320), (4, 4813160), (5, 3850528), (8, 2406580), (10, 1925264), (11, 1750240), (16, 1203290), (20, 962632), (22, 875120), (32, 601645), (40, 481316), (44, 437560), (55, 350048), (80, 240658), (88, 218780), (110, 175024), (160, 120329), (176, 109390), (220, 87512), (352, 54695), (440, 43756), (880, 21878), (1760, 10939)]