18636964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4493}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 35107128

約数和(自身を除く): 16470164

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4493, 8986, 17972, 76381, 152762, 274073, 305524, 548146, 1096292, 4659241, 9318482, 18636964]

約数ペア:

[(1, 18636964), (2, 9318482), (4, 4659241), (17, 1096292), (34, 548146), (61, 305524), (68, 274073), (122, 152762), (244, 76381), (1037, 17972), (2074, 8986), (4148, 4493)]