19723923

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 29770416

約数和(自身を除く): 10046493

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 971, 2257, 2913, 6771, 8739, 20313, 35927, 59231, 107781, 177693, 323343, 533079, 2191547, 6574641, 19723923]

約数ペア:

[(1, 19723923), (3, 6574641), (9, 2191547), (37, 533079), (61, 323343), (111, 177693), (183, 107781), (333, 59231), (549, 35927), (971, 20313), (2257, 8739), (2913, 6771)]