19185820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1741}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 43898400

約数和(自身を除く): 24712580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1741, 2204, 2755, 3482, 5510, 6964, 8705, 11020, 17410, 33079, 34820, 50489, 66158, 100978, 132316, 165395, 201956, 252445, 330790, 504890, 661580, 959291, 1009780, 1918582, 3837164, 4796455, 9592910, 19185820]

約数ペア:

[(1, 19185820), (2, 9592910), (4, 4796455), (5, 3837164), (10, 1918582), (19, 1009780), (20, 959291), (29, 661580), (38, 504890), (58, 330790), (76, 252445), (95, 201956), (116, 165395), (145, 132316), (190, 100978), (290, 66158), (380, 50489), (551, 34820), (580, 33079), (1102, 17410), (1741, 11020), (2204, 8705), (2755, 6964), (3482, 5510)]