19391475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 34604928

約数和(自身を除く): 15213453

約数列:

[1, 3, 5, 15, 17, 25, 51, 67, 75, 85, 201, 227, 255, 335, 425, 681, 1005, 1135, 1139, 1275, 1675, 3405, 3417, 3859, 5025, 5675, 5695, 11577, 15209, 17025, 17085, 19295, 28475, 45627, 57885, 76045, 85425, 96475, 228135, 258553, 289425, 380225, 775659, 1140675, 1292765, 3878295, 6463825, 19391475]

約数ペア:

[(1, 19391475), (3, 6463825), (5, 3878295), (15, 1292765), (17, 1140675), (25, 775659), (51, 380225), (67, 289425), (75, 258553), (85, 228135), (201, 96475), (227, 85425), (255, 76045), (335, 57885), (425, 45627), (681, 28475), (1005, 19295), (1135, 17085), (1139, 17025), (1275, 15209), (1675, 11577), (3405, 5695), (3417, 5675), (3859, 5025)]