19610820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108949}}^1$

素因数の和:108964

約数の個数: 36

約数和(自身を含む): 59486700

約数和(自身を除く): 39875880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108949, 217898, 326847, 435796, 544745, 653694, 980541, 1089490, 1307388, 1634235, 1961082, 2178980, 3268470, 3922164, 4902705, 6536940, 9805410, 19610820]

約数ペア:

[(1, 19610820), (2, 9805410), (3, 6536940), (4, 4902705), (5, 3922164), (6, 3268470), (9, 2178980), (10, 1961082), (12, 1634235), (15, 1307388), (18, 1089490), (20, 980541), (30, 653694), (36, 544745), (45, 435796), (60, 326847), (90, 217898), (180, 108949)]