19603860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 55095936

約数和(自身を除く): 35492076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 823, 1191, 1588, 1646, 1985, 2382, 2469, 3292, 3970, 4115, 4764, 4938, 5955, 7940, 8230, 9876, 11910, 12345, 16460, 23820, 24690, 49380, 326731, 653462, 980193, 1306924, 1633655, 1960386, 3267310, 3920772, 4900965, 6534620, 9801930, 19603860]

約数ペア:

[(1, 19603860), (2, 9801930), (3, 6534620), (4, 4900965), (5, 3920772), (6, 3267310), (10, 1960386), (12, 1633655), (15, 1306924), (20, 980193), (30, 653462), (60, 326731), (397, 49380), (794, 24690), (823, 23820), (1191, 16460), (1588, 12345), (1646, 11910), (1985, 9876), (2382, 8230), (2469, 7940), (3292, 5955), (3970, 4938), (4115, 4764)]