19645905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2377}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 34243200

約数和(自身を除く): 14597295

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2377, 2755, 7131, 8265, 11885, 35655, 45163, 68933, 135489, 206799, 225815, 344665, 677445, 1033995, 1309727, 3929181, 6548635, 19645905]

約数ペア:

[(1, 19645905), (3, 6548635), (5, 3929181), (15, 1309727), (19, 1033995), (29, 677445), (57, 344665), (87, 225815), (95, 206799), (145, 135489), (285, 68933), (435, 45163), (551, 35655), (1653, 11885), (2377, 8265), (2755, 7131)]