18771248

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5261}}^1$

素因数の和:5492

約数の個数: 20

約数和(自身を含む): 36539328

約数和(自身を除く): 17768080

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5261, 10522, 21044, 42088, 84176, 1173203, 2346406, 4692812, 9385624, 18771248]

約数ペア:

[(1, 18771248), (2, 9385624), (4, 4692812), (8, 2346406), (16, 1173203), (223, 84176), (446, 42088), (892, 21044), (1784, 10522), (3568, 5261)]