19297520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21929}}^1$

素因数の和:21953

約数の個数: 40

約数和(自身を含む): 48947760

約数和(自身を除く): 29650240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21929, 43858, 87716, 109645, 175432, 219290, 241219, 350864, 438580, 482438, 877160, 964876, 1206095, 1754320, 1929752, 2412190, 3859504, 4824380, 9648760, 19297520]

約数ペア:

[(1, 19297520), (2, 9648760), (4, 4824380), (5, 3859504), (8, 2412190), (10, 1929752), (11, 1754320), (16, 1206095), (20, 964876), (22, 877160), (40, 482438), (44, 438580), (55, 350864), (80, 241219), (88, 219290), (110, 175432), (176, 109645), (220, 87716), (440, 43858), (880, 21929)]