18520380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34297}}^1$

素因数の和:34315

約数の個数: 48

約数和(自身を含む): 57620640

約数和(自身を除く): 39100260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34297, 68594, 102891, 137188, 171485, 205782, 308673, 342970, 411564, 514455, 617346, 685940, 926019, 1028910, 1234692, 1543365, 1852038, 2057820, 3086730, 3704076, 4630095, 6173460, 9260190, 18520380]

約数ペア:

[(1, 18520380), (2, 9260190), (3, 6173460), (4, 4630095), (5, 3704076), (6, 3086730), (9, 2057820), (10, 1852038), (12, 1543365), (15, 1234692), (18, 1028910), (20, 926019), (27, 685940), (30, 617346), (36, 514455), (45, 411564), (54, 342970), (60, 308673), (90, 205782), (108, 171485), (135, 137188), (180, 102891), (270, 68594), (540, 34297)]