19686964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23549}}^1$

素因数の和:23583

約数の個数: 24

約数和(自身を含む): 39564000

約数和(自身を除く): 19877036

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23549, 47098, 94196, 259039, 447431, 518078, 894862, 1036156, 1789724, 4921741, 9843482, 19686964]

約数ペア:

[(1, 19686964), (2, 9843482), (4, 4921741), (11, 1789724), (19, 1036156), (22, 894862), (38, 518078), (44, 447431), (76, 259039), (209, 94196), (418, 47098), (836, 23549)]