19279995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1321}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 35535360

約数和(自身を除く): 16255365

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1321, 2085, 2919, 3963, 4865, 6605, 9247, 14595, 19815, 27741, 46235, 138705, 183619, 550857, 918095, 1285333, 2754285, 3855999, 6426665, 19279995]

約数ペア:

[(1, 19279995), (3, 6426665), (5, 3855999), (7, 2754285), (15, 1285333), (21, 918095), (35, 550857), (105, 183619), (139, 138705), (417, 46235), (695, 27741), (973, 19815), (1321, 14595), (2085, 9247), (2919, 6605), (3963, 4865)]