19185231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 30723840

約数和(自身を除く): 11538609

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1523, 4199, 4569, 12597, 19799, 25891, 28937, 59397, 77673, 86811, 336583, 376181, 491929, 1009749, 1128543, 1475787, 6395077, 19185231]

約数ペア:

[(1, 19185231), (3, 6395077), (13, 1475787), (17, 1128543), (19, 1009749), (39, 491929), (51, 376181), (57, 336583), (221, 86811), (247, 77673), (323, 59397), (663, 28937), (741, 25891), (969, 19799), (1523, 12597), (4199, 4569)]