19661388

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{8317}}^1$

素因数の和:8521

約数の個数: 24

約数和(自身を含む): 46114992

約数和(自身を除く): 26453604

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 8317, 16634, 24951, 33268, 49902, 99804, 1638449, 3276898, 4915347, 6553796, 9830694, 19661388]

約数ペア:

[(1, 19661388), (2, 9830694), (3, 6553796), (4, 4915347), (6, 3276898), (12, 1638449), (197, 99804), (394, 49902), (591, 33268), (788, 24951), (1182, 16634), (2364, 8317)]