2191105726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{2381}}^1$

素因数の和:2860

約数の個数: 32

約数和(自身を含む): 3526693920

約数和(自身を除く): 1335588194

約数列:

[1, 2, 19, 38, 61, 122, 397, 794, 1159, 2318, 2381, 4762, 7543, 15086, 24217, 45239, 48434, 90478, 145241, 290482, 460123, 920246, 945257, 1890514, 2759579, 5519158, 17959883, 35919766, 57660677, 115321354, 1095552863, 2191105726]

約数ペア:

[(1, 2191105726), (2, 1095552863), (19, 115321354), (38, 57660677), (61, 35919766), (122, 17959883), (397, 5519158), (794, 2759579), (1159, 1890514), (2318, 945257), (2381, 920246), (4762, 460123), (7543, 290482), (15086, 145241), (24217, 90478), (45239, 48434)]