19927860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1669}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 56112000

約数和(自身を除く): 36184140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1669, 1990, 2388, 2985, 3338, 3980, 5007, 5970, 6676, 8345, 10014, 11940, 16690, 20028, 25035, 33380, 50070, 100140, 332131, 664262, 996393, 1328524, 1660655, 1992786, 3321310, 3985572, 4981965, 6642620, 9963930, 19927860]

約数ペア:

[(1, 19927860), (2, 9963930), (3, 6642620), (4, 4981965), (5, 3985572), (6, 3321310), (10, 1992786), (12, 1660655), (15, 1328524), (20, 996393), (30, 664262), (60, 332131), (199, 100140), (398, 50070), (597, 33380), (796, 25035), (995, 20028), (1194, 16690), (1669, 11940), (1990, 10014), (2388, 8345), (2985, 6676), (3338, 5970), (3980, 5007)]