19897256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 39792000

約数和(自身を除く): 19894744

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 1657, 3002, 3314, 6004, 6628, 12008, 13256, 31483, 62966, 125932, 130903, 251864, 261806, 523612, 1047224, 2487157, 4974314, 9948628, 19897256]

約数ペア:

[(1, 19897256), (2, 9948628), (4, 4974314), (8, 2487157), (19, 1047224), (38, 523612), (76, 261806), (79, 251864), (152, 130903), (158, 125932), (316, 62966), (632, 31483), (1501, 13256), (1657, 12008), (3002, 6628), (3314, 6004)]