18617452

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:155

約数の個数: 54

約数和(自身を含む): 39623892

約数和(自身を除く): 21006440

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 49, 86, 94, 98, 172, 188, 196, 301, 329, 602, 658, 1204, 1316, 2021, 2107, 2209, 2303, 4042, 4214, 4418, 4606, 8084, 8428, 8836, 9212, 14147, 15463, 28294, 30926, 56588, 61852, 94987, 99029, 108241, 189974, 198058, 216482, 379948, 396116, 432964, 664909, 1329818, 2659636, 4654363, 9308726, 18617452]

約数ペア:

[(1, 18617452), (2, 9308726), (4, 4654363), (7, 2659636), (14, 1329818), (28, 664909), (43, 432964), (47, 396116), (49, 379948), (86, 216482), (94, 198058), (98, 189974), (172, 108241), (188, 99029), (196, 94987), (301, 61852), (329, 56588), (602, 30926), (658, 28294), (1204, 15463), (1316, 14147), (2021, 9212), (2107, 8836), (2209, 8428), (2303, 8084), (4042, 4606), (4214, 4418)]