19933295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6677905

約数列:

[1, 5, 23, 29, 43, 115, 139, 145, 215, 667, 695, 989, 1247, 3197, 3335, 4031, 4945, 5977, 6235, 15985, 20155, 28681, 29885, 92713, 137471, 143405, 173333, 463565, 687355, 866665, 3986659, 19933295]

約数ペア:

[(1, 19933295), (5, 3986659), (23, 866665), (29, 687355), (43, 463565), (115, 173333), (139, 143405), (145, 137471), (215, 92713), (667, 29885), (695, 28681), (989, 20155), (1247, 15985), (3197, 6235), (3335, 5977), (4031, 4945)]