19395725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 26034048

約数和(自身を除く): 6638323

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 971, 1175, 3995, 4855, 16507, 19975, 24275, 45637, 82535, 228185, 412675, 775829, 1140925, 3879145, 19395725]

約数ペア:

[(1, 19395725), (5, 3879145), (17, 1140925), (25, 775829), (47, 412675), (85, 228185), (235, 82535), (425, 45637), (799, 24275), (971, 19975), (1175, 16507), (3995, 4855)]