19327960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3527}}^1$

素因数の和:3675

約数の個数: 32

約数和(自身を含む): 43817760

約数和(自身を除く): 24489800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3527, 5480, 7054, 14108, 17635, 28216, 35270, 70540, 141080, 483199, 966398, 1932796, 2415995, 3865592, 4831990, 9663980, 19327960]

約数ペア:

[(1, 19327960), (2, 9663980), (4, 4831990), (5, 3865592), (8, 2415995), (10, 1932796), (20, 966398), (40, 483199), (137, 141080), (274, 70540), (548, 35270), (685, 28216), (1096, 17635), (1370, 14108), (2740, 7054), (3527, 5480)]