19619343

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 31768360

約数和(自身を除く): 12149017

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 289, 323, 397, 867, 969, 1191, 2601, 2907, 3573, 5491, 6749, 7543, 16473, 20247, 22629, 49419, 60741, 67887, 114733, 128231, 344199, 384693, 1032597, 1154079, 2179927, 6539781, 19619343]

約数ペア:

[(1, 19619343), (3, 6539781), (9, 2179927), (17, 1154079), (19, 1032597), (51, 384693), (57, 344199), (153, 128231), (171, 114733), (289, 67887), (323, 60741), (397, 49419), (867, 22629), (969, 20247), (1191, 16473), (2601, 7543), (2907, 6749), (3573, 5491)]