18131217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4603}}^1$

素因数の和:4720

約数の個数: 16

約数和(自身を含む): 26298048

約数和(自身を除く): 8166831

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 4603, 13809, 59839, 179517, 464903, 1394709, 6043739, 18131217]

約数ペア:

[(1, 18131217), (3, 6043739), (13, 1394709), (39, 464903), (101, 179517), (303, 59839), (1313, 13809), (3939, 4603)]