209929518

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{613829}}^1$

素因数の和:613856

約数の個数: 24

約数和(自身を含む): 478787400

約数和(自身を除く): 268857882

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 613829, 1227658, 1841487, 3682974, 5524461, 11048922, 11662751, 23325502, 34988253, 69976506, 104964759, 209929518]

約数ペア:

[(1, 209929518), (2, 104964759), (3, 69976506), (6, 34988253), (9, 23325502), (18, 11662751), (19, 11048922), (38, 5524461), (57, 3682974), (114, 1841487), (171, 1227658), (342, 613829)]