18626156

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12899}}^1$

素因数の和:12941

約数の個数: 18

約数和(自身を含む): 34404300

約数和(自身を除く): 15778144

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12899, 25798, 51596, 245081, 490162, 980324, 4656539, 9313078, 18626156]

約数ペア:

[(1, 18626156), (2, 9313078), (4, 4656539), (19, 980324), (38, 490162), (76, 245081), (361, 51596), (722, 25798), (1444, 12899)]