19077140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 42913920

約数和(自身を除く): 23836780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 823, 1159, 1220, 1646, 2318, 3292, 4115, 4636, 5795, 8230, 11590, 15637, 16460, 23180, 31274, 50203, 62548, 78185, 100406, 156370, 200812, 251015, 312740, 502030, 953857, 1004060, 1907714, 3815428, 4769285, 9538570, 19077140]

約数ペア:

[(1, 19077140), (2, 9538570), (4, 4769285), (5, 3815428), (10, 1907714), (19, 1004060), (20, 953857), (38, 502030), (61, 312740), (76, 251015), (95, 200812), (122, 156370), (190, 100406), (244, 78185), (305, 62548), (380, 50203), (610, 31274), (823, 23180), (1159, 16460), (1220, 15637), (1646, 11590), (2318, 8230), (3292, 5795), (4115, 4636)]