18964980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105361}}^1$

素因数の和:105376

約数の個数: 36

約数和(自身を含む): 57527652

約数和(自身を除く): 38562672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105361, 210722, 316083, 421444, 526805, 632166, 948249, 1053610, 1264332, 1580415, 1896498, 2107220, 3160830, 3792996, 4741245, 6321660, 9482490, 18964980]

約数ペア:

[(1, 18964980), (2, 9482490), (3, 6321660), (4, 4741245), (5, 3792996), (6, 3160830), (9, 2107220), (10, 1896498), (12, 1580415), (15, 1264332), (18, 1053610), (20, 948249), (30, 632166), (36, 526805), (45, 421444), (60, 316083), (90, 210722), (180, 105361)]