18078633

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 30143520

約数和(自身を除く): 12064887

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 691, 969, 1377, 1539, 2073, 2907, 6219, 8721, 11747, 13129, 18657, 26163, 35241, 39387, 55971, 105723, 118161, 223193, 317169, 354483, 669579, 951507, 1063449, 2008737, 6026211, 18078633]

約数ペア:

[(1, 18078633), (3, 6026211), (9, 2008737), (17, 1063449), (19, 951507), (27, 669579), (51, 354483), (57, 317169), (81, 223193), (153, 118161), (171, 105723), (323, 55971), (459, 39387), (513, 35241), (691, 26163), (969, 18657), (1377, 13129), (1539, 11747), (2073, 8721), (2907, 6219)]