19959885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13441}}^1$

素因数の和:13466

約数の個数: 32

約数和(自身を含む): 38712960

約数和(自身を除く): 18753075

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13441, 40323, 67205, 120969, 147851, 201615, 362907, 443553, 604845, 739255, 1330659, 1814535, 2217765, 3991977, 6653295, 19959885]

約数ペア:

[(1, 19959885), (3, 6653295), (5, 3991977), (9, 2217765), (11, 1814535), (15, 1330659), (27, 739255), (33, 604845), (45, 443553), (55, 362907), (99, 201615), (135, 147851), (165, 120969), (297, 67205), (495, 40323), (1485, 13441)]