19309640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68963}}^1$

素因数の和:68981

約数の個数: 32

約数和(自身を含む): 49654080

約数和(自身を除く): 30344440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68963, 137926, 275852, 344815, 482741, 551704, 689630, 965482, 1379260, 1930964, 2413705, 2758520, 3861928, 4827410, 9654820, 19309640]

約数ペア:

[(1, 19309640), (2, 9654820), (4, 4827410), (5, 3861928), (7, 2758520), (8, 2413705), (10, 1930964), (14, 1379260), (20, 965482), (28, 689630), (35, 551704), (40, 482741), (56, 344815), (70, 275852), (140, 137926), (280, 68963)]