19306588

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 36

約数和(自身を含む): 39644640

約数和(自身を除く): 20338052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 719, 959, 1438, 1918, 2876, 3836, 5033, 6713, 10066, 13426, 20132, 26852, 35231, 70462, 98503, 140924, 197006, 394012, 689521, 1379042, 2758084, 4826647, 9653294, 19306588]

約数ペア:

[(1, 19306588), (2, 9653294), (4, 4826647), (7, 2758084), (14, 1379042), (28, 689521), (49, 394012), (98, 197006), (137, 140924), (196, 98503), (274, 70462), (548, 35231), (719, 26852), (959, 20132), (1438, 13426), (1918, 10066), (2876, 6713), (3836, 5033)]