19216208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2663}}^1$

素因数の和:2723

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 22406128

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2663, 3608, 5326, 7216, 10652, 21304, 29293, 42608, 58586, 109183, 117172, 218366, 234344, 436732, 468688, 873464, 1201013, 1746928, 2402026, 4804052, 9608104, 19216208]

約数ペア:

[(1, 19216208), (2, 9608104), (4, 4804052), (8, 2402026), (11, 1746928), (16, 1201013), (22, 873464), (41, 468688), (44, 436732), (82, 234344), (88, 218366), (164, 117172), (176, 109183), (328, 58586), (451, 42608), (656, 29293), (902, 21304), (1804, 10652), (2663, 7216), (3608, 5326)]