19984637

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 21933120

約数和(自身を除く): 1948483

約数列:

[1, 19, 43, 61, 401, 817, 1159, 2623, 7619, 17243, 24461, 49837, 327617, 464759, 1051823, 19984637]

約数ペア:

[(1, 19984637), (19, 1051823), (43, 464759), (61, 327617), (401, 49837), (817, 24461), (1159, 17243), (2623, 7619)]