19074550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 20208650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 439, 550, 790, 869, 878, 1738, 1975, 2195, 3950, 4345, 4390, 4829, 8690, 9658, 10975, 21725, 21950, 24145, 34681, 43450, 48290, 69362, 120725, 173405, 241450, 346810, 381491, 762982, 867025, 1734050, 1907455, 3814910, 9537275, 19074550]

約数ペア:

[(1, 19074550), (2, 9537275), (5, 3814910), (10, 1907455), (11, 1734050), (22, 867025), (25, 762982), (50, 381491), (55, 346810), (79, 241450), (110, 173405), (158, 120725), (275, 69362), (395, 48290), (439, 43450), (550, 34681), (790, 24145), (869, 21950), (878, 21725), (1738, 10975), (1975, 9658), (2195, 8690), (3950, 4829), (4345, 4390)]