18782374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 32266080

約数和(自身を除く): 13483706

約数列:

[1, 2, 13, 19, 26, 38, 193, 197, 247, 386, 394, 494, 2509, 2561, 3667, 3743, 5018, 5122, 7334, 7486, 38021, 47671, 48659, 76042, 95342, 97318, 494273, 722399, 988546, 1444798, 9391187, 18782374]

約数ペア:

[(1, 18782374), (2, 9391187), (13, 1444798), (19, 988546), (26, 722399), (38, 494273), (193, 97318), (197, 95342), (247, 76042), (386, 48659), (394, 47671), (494, 38021), (2509, 7486), (2561, 7334), (3667, 5122), (3743, 5018)]