18804184

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 40442400

約数和(自身を除く): 21638216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 821, 1636, 1642, 2863, 3272, 3284, 5726, 5747, 6568, 11452, 11494, 22904, 22988, 45976, 335789, 671578, 1343156, 2350523, 2686312, 4701046, 9402092, 18804184]

約数ペア:

[(1, 18804184), (2, 9402092), (4, 4701046), (7, 2686312), (8, 2350523), (14, 1343156), (28, 671578), (56, 335789), (409, 45976), (818, 22988), (821, 22904), (1636, 11494), (1642, 11452), (2863, 6568), (3272, 5747), (3284, 5726)]