19780225917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1\times {\mathrm{203381}}^1$

素因数の和:205308

約数の個数: 16

約数和(自身を含む): 27939805632

約数和(自身を除く): 8159579715

約数列:

[1, 3, 17, 51, 1907, 5721, 32419, 97257, 203381, 610143, 3457477, 10372431, 387847567, 1163542701, 6593408639, 19780225917]

約数ペア:

[(1, 19780225917), (3, 6593408639), (17, 1163542701), (51, 387847567), (1907, 10372431), (5721, 3457477), (32419, 610143), (97257, 203381)]