18948591

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 29150784

約数和(自身を除く): 10202193

約数列:

[1, 3, 9, 17, 51, 153, 271, 457, 813, 1371, 2439, 4113, 4607, 7769, 13821, 23307, 41463, 69921, 123847, 371541, 1114623, 2105399, 6316197, 18948591]

約数ペア:

[(1, 18948591), (3, 6316197), (9, 2105399), (17, 1114623), (51, 371541), (153, 123847), (271, 69921), (457, 41463), (813, 23307), (1371, 13821), (2439, 7769), (4113, 4607)]