18851984

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4889}}^1$

素因数の和:5138

約数の個数: 20

約数和(自身を含む): 36684780

約数和(自身を除く): 17832796

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4889, 9778, 19556, 39112, 78224, 1178249, 2356498, 4712996, 9425992, 18851984]

約数ペア:

[(1, 18851984), (2, 9425992), (4, 4712996), (8, 2356498), (16, 1178249), (241, 78224), (482, 39112), (964, 19556), (1928, 9778), (3856, 4889)]