19638621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 30685824

約数和(自身を除く): 11047203

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2731, 7191, 8193, 24579, 46427, 128357, 139281, 385071, 417843, 1155213, 2182069, 6546207, 19638621]

約数ペア:

[(1, 19638621), (3, 6546207), (9, 2182069), (17, 1155213), (47, 417843), (51, 385071), (141, 139281), (153, 128357), (423, 46427), (799, 24579), (2397, 8193), (2731, 7191)]