19975215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102437}}^1$

素因数の和:102458

約数の個数: 16

約数和(自身を含む): 34419168

約数和(自身を除く): 14443953

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 102437, 307311, 512185, 1331681, 1536555, 3995043, 6658405, 19975215]

約数ペア:

[(1, 19975215), (3, 6658405), (5, 3995043), (13, 1536555), (15, 1331681), (39, 512185), (65, 307311), (195, 102437)]