18956960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10771}}^1$

素因数の和:10797

約数の個数: 48

約数和(自身を含む): 48861792

約数和(自身を除く): 29904832

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, 10771, 21542, 43084, 53855, 86168, 107710, 118481, 172336, 215420, 236962, 344672, 430840, 473924, 592405, 861680, 947848, 1184810, 1723360, 1895696, 2369620, 3791392, 4739240, 9478480, 18956960]

約数ペア:

[(1, 18956960), (2, 9478480), (4, 4739240), (5, 3791392), (8, 2369620), (10, 1895696), (11, 1723360), (16, 1184810), (20, 947848), (22, 861680), (32, 592405), (40, 473924), (44, 430840), (55, 344672), (80, 236962), (88, 215420), (110, 172336), (160, 118481), (176, 107710), (220, 86168), (352, 53855), (440, 43084), (880, 21542), (1760, 10771)]