18783435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 14924085

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 121, 131, 165, 237, 363, 393, 395, 605, 655, 869, 1185, 1441, 1815, 1965, 2607, 4323, 4345, 7205, 9559, 10349, 13035, 15851, 21615, 28677, 31047, 47553, 47795, 51745, 79255, 113839, 143385, 155235, 237765, 341517, 569195, 1252229, 1707585, 3756687, 6261145, 18783435]

約数ペア:

[(1, 18783435), (3, 6261145), (5, 3756687), (11, 1707585), (15, 1252229), (33, 569195), (55, 341517), (79, 237765), (121, 155235), (131, 143385), (165, 113839), (237, 79255), (363, 51745), (393, 47795), (395, 47553), (605, 31047), (655, 28677), (869, 21615), (1185, 15851), (1441, 13035), (1815, 10349), (1965, 9559), (2607, 7205), (4323, 4345)]