19956111

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 32194560

約数和(自身を除く): 12238449

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 523, 553, 1569, 1659, 1817, 3661, 5451, 10983, 12029, 12719, 36087, 38157, 41317, 84203, 123951, 252609, 289219, 867657, 950291, 2850873, 6652037, 19956111]

約数ペア:

[(1, 19956111), (3, 6652037), (7, 2850873), (21, 950291), (23, 867657), (69, 289219), (79, 252609), (161, 123951), (237, 84203), (483, 41317), (523, 38157), (553, 36087), (1569, 12719), (1659, 12029), (1817, 10983), (3661, 5451)]