18709027

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 20680704

約数和(自身を除く): 1971677

約数列:

[1, 17, 31, 131, 271, 527, 2227, 4061, 4607, 8401, 35501, 69037, 142817, 603517, 1100531, 18709027]

約数ペア:

[(1, 18709027), (17, 1100531), (31, 603517), (131, 142817), (271, 69037), (527, 35501), (2227, 8401), (4061, 4607)]