201427892

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139493}}^1$

素因数の和:139535

約数の個数: 18

約数和(自身を含む): 372030498

約数和(自身を除く): 170602606

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139493, 278986, 557972, 2650367, 5300734, 10601468, 50356973, 100713946, 201427892]

約数ペア:

[(1, 201427892), (2, 100713946), (4, 50356973), (19, 10601468), (38, 5300734), (76, 2650367), (361, 557972), (722, 278986), (1444, 139493)]