19369995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 12943605

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 509, 645, 885, 1527, 2537, 2545, 7611, 7635, 12685, 21887, 30031, 38055, 65661, 90093, 109435, 150155, 328305, 450465, 1291333, 3873999, 6456665, 19369995]

約数ペア:

[(1, 19369995), (3, 6456665), (5, 3873999), (15, 1291333), (43, 450465), (59, 328305), (129, 150155), (177, 109435), (215, 90093), (295, 65661), (509, 38055), (645, 30031), (885, 21887), (1527, 12685), (2537, 7635), (2545, 7611)]