11991390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2029}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 28939680

約数和(自身を除く): 16948290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2029, 2955, 4058, 5910, 6087, 10145, 12174, 20290, 30435, 60870, 399713, 799426, 1199139, 1998565, 2398278, 3997130, 5995695, 11991390]

約数ペア:

[(1, 11991390), (2, 5995695), (3, 3997130), (5, 2398278), (6, 1998565), (10, 1199139), (15, 799426), (30, 399713), (197, 60870), (394, 30435), (591, 20290), (985, 12174), (1182, 10145), (1970, 6087), (2029, 5910), (2955, 4058)]