18740365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28181}}^1$

素因数の和:28212

約数の個数: 16

約数和(自身を含む): 27054720

約数和(自身を除く): 8314355

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28181, 140905, 197267, 535439, 986335, 2677195, 3748073, 18740365]

約数ペア:

[(1, 18740365), (5, 3748073), (7, 2677195), (19, 986335), (35, 535439), (95, 197267), (133, 140905), (665, 28181)]