18945394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38351}}^1$

素因数の和:38385

約数の個数: 16

約数和(自身を含む): 32215680

約数和(自身を除く): 13270286

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 38351, 76702, 498563, 728669, 997126, 1457338, 9472697, 18945394]

約数ペア:

[(1, 18945394), (2, 9472697), (13, 1457338), (19, 997126), (26, 728669), (38, 498563), (247, 76702), (494, 38351)]