18065820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1427}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 50859648

約数和(自身を除く): 32793828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1427, 2110, 2532, 2854, 3165, 4220, 4281, 5708, 6330, 7135, 8562, 12660, 14270, 17124, 21405, 28540, 42810, 85620, 301097, 602194, 903291, 1204388, 1505485, 1806582, 3010970, 3613164, 4516455, 6021940, 9032910, 18065820]

約数ペア:

[(1, 18065820), (2, 9032910), (3, 6021940), (4, 4516455), (5, 3613164), (6, 3010970), (10, 1806582), (12, 1505485), (15, 1204388), (20, 903291), (30, 602194), (60, 301097), (211, 85620), (422, 42810), (633, 28540), (844, 21405), (1055, 17124), (1266, 14270), (1427, 12660), (2110, 8562), (2532, 7135), (2854, 6330), (3165, 5708), (4220, 4281)]