19932880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22651}}^1$

素因数の和:22675

約数の個数: 40

約数和(自身を含む): 50559264

約数和(自身を除く): 30626384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22651, 45302, 90604, 113255, 181208, 226510, 249161, 362416, 453020, 498322, 906040, 996644, 1245805, 1812080, 1993288, 2491610, 3986576, 4983220, 9966440, 19932880]

約数ペア:

[(1, 19932880), (2, 9966440), (4, 4983220), (5, 3986576), (8, 2491610), (10, 1993288), (11, 1812080), (16, 1245805), (20, 996644), (22, 906040), (40, 498322), (44, 453020), (55, 362416), (80, 249161), (88, 226510), (110, 181208), (176, 113255), (220, 90604), (440, 45302), (880, 22651)]