19842651

素因数分解:

$3^7\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 30595840

約数和(自身を除く): 10753189

約数列:

[1, 3, 9, 27, 43, 81, 129, 211, 243, 387, 633, 729, 1161, 1899, 2187, 3483, 5697, 9073, 10449, 17091, 27219, 31347, 51273, 81657, 94041, 153819, 244971, 461457, 734913, 2204739, 6614217, 19842651]

約数ペア:

[(1, 19842651), (3, 6614217), (9, 2204739), (27, 734913), (43, 461457), (81, 244971), (129, 153819), (211, 94041), (243, 81657), (387, 51273), (633, 31347), (729, 27219), (1161, 17091), (1899, 10449), (2187, 9073), (3483, 5697)]