19805313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1567}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 28901376

約数和(自身を除く): 9096063

約数列:

[1, 3, 11, 33, 383, 1149, 1567, 4213, 4701, 12639, 17237, 51711, 600161, 1800483, 6601771, 19805313]

約数ペア:

[(1, 19805313), (3, 6601771), (11, 1800483), (33, 600161), (383, 51711), (1149, 17237), (1567, 12639), (4213, 4701)]