19191881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 21278400

約数和(自身を除く): 2086519

約数列:

[1, 19, 29, 61, 551, 571, 1159, 1769, 10849, 16559, 33611, 34831, 314621, 661789, 1010099, 19191881]

約数ペア:

[(1, 19191881), (19, 1010099), (29, 661789), (61, 314621), (551, 34831), (571, 33611), (1159, 16559), (1769, 10849)]