18406544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88493}}^1$

素因数の和:88514

約数の個数: 20

約数和(自身を含む): 38406396

約数和(自身を除く): 19999852

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88493, 176986, 353972, 707944, 1150409, 1415888, 2300818, 4601636, 9203272, 18406544]

約数ペア:

[(1, 18406544), (2, 9203272), (4, 4601636), (8, 2300818), (13, 1415888), (16, 1150409), (26, 707944), (52, 353972), (104, 176986), (208, 88493)]