18782335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 26832960

約数和(自身を除く): 8050625

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 241, 545, 715, 1199, 1205, 1417, 2651, 3133, 5995, 7085, 13255, 15587, 15665, 26269, 34463, 77935, 131345, 172315, 288959, 341497, 1444795, 1707485, 3756467, 18782335]

約数ペア:

[(1, 18782335), (5, 3756467), (11, 1707485), (13, 1444795), (55, 341497), (65, 288959), (109, 172315), (143, 131345), (241, 77935), (545, 34463), (715, 26269), (1199, 15665), (1205, 15587), (1417, 13255), (2651, 7085), (3133, 5995)]