18981784

素因数分解:

$2^3\times {\mathrm{1471}}^1\times {\mathrm{1613}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 35637120

約数和(自身を除く): 16655336

約数列:

[1, 2, 4, 8, 1471, 1613, 2942, 3226, 5884, 6452, 11768, 12904, 2372723, 4745446, 9490892, 18981784]

約数ペア:

[(1, 18981784), (2, 9490892), (4, 4745446), (8, 2372723), (1471, 12904), (1613, 11768), (2942, 6452), (3226, 5884)]