19354491

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 31377920

約数和(自身を除く): 12023429

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 823, 871, 1809, 2469, 2613, 7407, 7839, 10699, 22221, 23517, 32097, 55141, 96291, 165423, 288873, 496269, 716833, 1488807, 2150499, 6451497, 19354491]

約数ペア:

[(1, 19354491), (3, 6451497), (9, 2150499), (13, 1488807), (27, 716833), (39, 496269), (67, 288873), (117, 165423), (201, 96291), (351, 55141), (603, 32097), (823, 23517), (871, 22221), (1809, 10699), (2469, 7839), (2613, 7407)]