18994509

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 29165760

約数和(自身を除く): 10171251

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 983, 1017, 2147, 2949, 6441, 8847, 18677, 19323, 56031, 111079, 168093, 333237, 999711, 2110501, 6331503, 18994509]

約数ペア:

[(1, 18994509), (3, 6331503), (9, 2110501), (19, 999711), (57, 333237), (113, 168093), (171, 111079), (339, 56031), (983, 19323), (1017, 18677), (2147, 8847), (2949, 6441)]