19940816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7741}}^1$

素因数の和:7779

約数の個数: 40

約数和(自身を含む): 46080384

約数和(自身を除く): 26139568

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7741, 15482, 30964, 54187, 61928, 108374, 123856, 178043, 216748, 356086, 433496, 712172, 866992, 1246301, 1424344, 2492602, 2848688, 4985204, 9970408, 19940816]

約数ペア:

[(1, 19940816), (2, 9970408), (4, 4985204), (7, 2848688), (8, 2492602), (14, 1424344), (16, 1246301), (23, 866992), (28, 712172), (46, 433496), (56, 356086), (92, 216748), (112, 178043), (161, 123856), (184, 108374), (322, 61928), (368, 54187), (644, 30964), (1288, 15482), (2576, 7741)]