18005320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19571}}^1$

素因数の和:19605

約数の個数: 32

約数和(自身を含む): 42275520

約数和(自身を除く): 24270200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19571, 39142, 78284, 97855, 156568, 195710, 391420, 450133, 782840, 900266, 1800532, 2250665, 3601064, 4501330, 9002660, 18005320]

約数ペア:

[(1, 18005320), (2, 9002660), (4, 4501330), (5, 3601064), (8, 2250665), (10, 1800532), (20, 900266), (23, 782840), (40, 450133), (46, 391420), (92, 195710), (115, 156568), (184, 97855), (230, 78284), (460, 39142), (920, 19571)]