18049339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 23846400

約数和(自身を除く): 5797061

約数列:

[1, 7, 11, 29, 59, 77, 137, 203, 319, 413, 649, 959, 1507, 1711, 2233, 3973, 4543, 8083, 10549, 11977, 18821, 27811, 43703, 56581, 88913, 131747, 234407, 305921, 622391, 1640849, 2578477, 18049339]

約数ペア:

[(1, 18049339), (7, 2578477), (11, 1640849), (29, 622391), (59, 305921), (77, 234407), (137, 131747), (203, 88913), (319, 56581), (413, 43703), (649, 27811), (959, 18821), (1507, 11977), (1711, 10549), (2233, 8083), (3973, 4543)]