19796205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 17741715

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 839, 1573, 1815, 2145, 2517, 4195, 4719, 7865, 9229, 10907, 12585, 23595, 27687, 32721, 46145, 54535, 101519, 119977, 138435, 163605, 304557, 359931, 507595, 599885, 1319747, 1522785, 1799655, 3959241, 6598735, 19796205]

約数ペア:

[(1, 19796205), (3, 6598735), (5, 3959241), (11, 1799655), (13, 1522785), (15, 1319747), (33, 599885), (39, 507595), (55, 359931), (65, 304557), (121, 163605), (143, 138435), (165, 119977), (195, 101519), (363, 54535), (429, 46145), (605, 32721), (715, 27687), (839, 23595), (1573, 12585), (1815, 10907), (2145, 9229), (2517, 7865), (4195, 4719)]