19787784

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{1693}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 49600320

約数和(自身を除く): 29812536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 974, 1461, 1693, 1948, 2922, 3386, 3896, 5079, 5844, 6772, 10158, 11688, 13544, 20316, 40632, 824491, 1648982, 2473473, 3297964, 4946946, 6595928, 9893892, 19787784]

約数ペア:

[(1, 19787784), (2, 9893892), (3, 6595928), (4, 4946946), (6, 3297964), (8, 2473473), (12, 1648982), (24, 824491), (487, 40632), (974, 20316), (1461, 13544), (1693, 11688), (1948, 10158), (2922, 6772), (3386, 5844), (3896, 5079)]