19221165

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 34410240

約数和(自身を除く): 15189075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 823, 865, 1557, 2469, 2595, 4115, 4671, 7407, 7785, 12345, 22221, 23355, 37035, 111105, 142379, 427137, 711895, 1281411, 2135685, 3844233, 6407055, 19221165]

約数ペア:

[(1, 19221165), (3, 6407055), (5, 3844233), (9, 2135685), (15, 1281411), (27, 711895), (45, 427137), (135, 142379), (173, 111105), (519, 37035), (823, 23355), (865, 22221), (1557, 12345), (2469, 7785), (2595, 7407), (4115, 4671)]