18040407

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2693}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 31034880

約数和(自身を除く): 12994473

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 2693, 6699, 8079, 18851, 29623, 56553, 78097, 88869, 207361, 234291, 546679, 622083, 859067, 1640037, 2577201, 6013469, 18040407]

約数ペア:

[(1, 18040407), (3, 6013469), (7, 2577201), (11, 1640037), (21, 859067), (29, 622083), (33, 546679), (77, 234291), (87, 207361), (203, 88869), (231, 78097), (319, 56553), (609, 29623), (957, 18851), (2233, 8079), (2693, 6699)]