19504017

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 31391360

約数和(自身を除く): 11887343

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 307, 351, 543, 921, 1629, 2353, 2763, 3991, 4887, 7059, 8289, 11973, 21177, 35919, 55567, 63531, 107757, 166701, 500103, 722371, 1500309, 2167113, 6501339, 19504017]

約数ペア:

[(1, 19504017), (3, 6501339), (9, 2167113), (13, 1500309), (27, 722371), (39, 500103), (117, 166701), (181, 107757), (307, 63531), (351, 55567), (543, 35919), (921, 21177), (1629, 11973), (2353, 8289), (2763, 7059), (3991, 4887)]