18684567

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 12108393

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1187, 1431, 1749, 3561, 5247, 10683, 13057, 15741, 32049, 39171, 62911, 117513, 188733, 352539, 566199, 692021, 1698597, 2076063, 6228189, 18684567]

約数ペア:

[(1, 18684567), (3, 6228189), (9, 2076063), (11, 1698597), (27, 692021), (33, 566199), (53, 352539), (99, 188733), (159, 117513), (297, 62911), (477, 39171), (583, 32049), (1187, 15741), (1431, 13057), (1749, 10683), (3561, 5247)]