18729997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 22139712

約数和(自身を除く): 3409715

約数列:

[1, 11, 13, 143, 227, 577, 2497, 2951, 6347, 7501, 32461, 82511, 130979, 1440769, 1702727, 18729997]

約数ペア:

[(1, 18729997), (11, 1702727), (13, 1440769), (143, 130979), (227, 82511), (577, 32461), (2497, 7501), (2951, 6347)]