19404

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1$

素因数の和:35

約数の個数: 54

約数和(自身を含む): 62244

約数和(自身を除く): 42840

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 1078, 1386, 1617, 1764, 2156, 2772, 3234, 4851, 6468, 9702, 19404]

約数ペア:

[(1, 19404), (2, 9702), (3, 6468), (4, 4851), (6, 3234), (7, 2772), (9, 2156), (11, 1764), (12, 1617), (14, 1386), (18, 1078), (21, 924), (22, 882), (28, 693), (33, 588), (36, 539), (42, 462), (44, 441), (49, 396), (63, 308), (66, 294), (77, 252), (84, 231), (98, 198), (99, 196), (126, 154), (132, 147)]