19723223

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 2452777

約数列:

[1, 13, 31, 109, 403, 449, 1417, 3379, 5837, 13919, 43927, 48941, 180947, 636233, 1517171, 19723223]

約数ペア:

[(1, 19723223), (13, 1517171), (31, 636233), (109, 180947), (403, 48941), (449, 43927), (1417, 13919), (3379, 5837)]