20185092016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66398329}}^1$

素因数の和:66398356

約数の個数: 20

約数和(自身を含む): 41166964600

約数和(自身を除く): 20981872584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66398329, 132796658, 265593316, 531186632, 1062373264, 1261568251, 2523136502, 5046273004, 10092546008, 20185092016]

約数ペア:

[(1, 20185092016), (2, 10092546008), (4, 5046273004), (8, 2523136502), (16, 1261568251), (19, 1062373264), (38, 531186632), (76, 265593316), (152, 132796658), (304, 66398329)]