18681616

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19141}}^1$

素因数の和:19210

約数の個数: 20

約数和(自身を含む): 36790924

約数和(自身を除く): 18109308

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19141, 38282, 76564, 153128, 306256, 1167601, 2335202, 4670404, 9340808, 18681616]

約数ペア:

[(1, 18681616), (2, 9340808), (4, 4670404), (8, 2335202), (16, 1167601), (61, 306256), (122, 153128), (244, 76564), (488, 38282), (976, 19141)]