19417605

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^2$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 31760352

約数和(自身を除く): 12342747

約数列:

[1, 3, 5, 15, 67, 139, 201, 335, 417, 695, 1005, 2085, 9313, 19321, 27939, 46565, 57963, 96605, 139695, 289815, 1294507, 3883521, 6472535, 19417605]

約数ペア:

[(1, 19417605), (3, 6472535), (5, 3883521), (15, 1294507), (67, 289815), (139, 139695), (201, 96605), (335, 57963), (417, 46565), (695, 27939), (1005, 19321), (2085, 9313)]