19921815

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{853}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 35663040

約数和(自身を除く): 15741225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 853, 865, 1557, 2559, 2595, 4265, 4671, 7677, 7785, 12795, 23031, 23355, 38385, 115155, 147569, 442707, 737845, 1328121, 2213535, 3984363, 6640605, 19921815]

約数ペア:

[(1, 19921815), (3, 6640605), (5, 3984363), (9, 2213535), (15, 1328121), (27, 737845), (45, 442707), (135, 147569), (173, 115155), (519, 38385), (853, 23355), (865, 23031), (1557, 12795), (2559, 7785), (2595, 7677), (4265, 4671)]