18907057

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 21067200

約数和(自身を除く): 2160143

約数列:

[1, 13, 43, 149, 227, 559, 1937, 2951, 6407, 9761, 33823, 83291, 126893, 439699, 1454389, 18907057]

約数ペア:

[(1, 18907057), (13, 1454389), (43, 439699), (149, 126893), (227, 83291), (559, 33823), (1937, 9761), (2951, 6407)]