18180904

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3347}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 21191576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3347, 5432, 6694, 13388, 23429, 26776, 46858, 93716, 187432, 324659, 649318, 1298636, 2272613, 2597272, 4545226, 9090452, 18180904]

約数ペア:

[(1, 18180904), (2, 9090452), (4, 4545226), (7, 2597272), (8, 2272613), (14, 1298636), (28, 649318), (56, 324659), (97, 187432), (194, 93716), (388, 46858), (679, 26776), (776, 23429), (1358, 13388), (2716, 6694), (3347, 5432)]