18401816

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 17238184

約数列:

[1, 2, 4, 8, 47, 94, 109, 188, 218, 376, 436, 449, 872, 898, 1796, 3592, 5123, 10246, 20492, 21103, 40984, 42206, 48941, 84412, 97882, 168824, 195764, 391528, 2300227, 4600454, 9200908, 18401816]

約数ペア:

[(1, 18401816), (2, 9200908), (4, 4600454), (8, 2300227), (47, 391528), (94, 195764), (109, 168824), (188, 97882), (218, 84412), (376, 48941), (436, 42206), (449, 40984), (872, 21103), (898, 20492), (1796, 10246), (3592, 5123)]