18727860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{683}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 52629696

約数和(自身を除く): 33901836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 683, 914, 1366, 1371, 1828, 2049, 2285, 2732, 2742, 3415, 4098, 4570, 5484, 6830, 6855, 8196, 9140, 10245, 13660, 13710, 20490, 27420, 40980, 312131, 624262, 936393, 1248524, 1560655, 1872786, 3121310, 3745572, 4681965, 6242620, 9363930, 18727860]

約数ペア:

[(1, 18727860), (2, 9363930), (3, 6242620), (4, 4681965), (5, 3745572), (6, 3121310), (10, 1872786), (12, 1560655), (15, 1248524), (20, 936393), (30, 624262), (60, 312131), (457, 40980), (683, 27420), (914, 20490), (1366, 13710), (1371, 13660), (1828, 10245), (2049, 9140), (2285, 8196), (2732, 6855), (2742, 6830), (3415, 5484), (4098, 4570)]