18780948

素因数分解:

$2^2\times 3^2\times {\mathrm{521693}}^1$

素因数の和:521703

約数の個数: 18

約数和(自身を含む): 47474154

約数和(自身を除く): 28693206

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521693, 1043386, 1565079, 2086772, 3130158, 4695237, 6260316, 9390474, 18780948]

約数ペア:

[(1, 18780948), (2, 9390474), (3, 6260316), (4, 4695237), (6, 3130158), (9, 2086772), (12, 1565079), (18, 1043386), (36, 521693)]