19942870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 38553408

約数和(自身を除く): 18610538

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1607, 2482, 3214, 6205, 8035, 12410, 16070, 27319, 54638, 117311, 136595, 234622, 273190, 586555, 1173110, 1994287, 3988574, 9971435, 19942870]

約数ペア:

[(1, 19942870), (2, 9971435), (5, 3988574), (10, 1994287), (17, 1173110), (34, 586555), (73, 273190), (85, 234622), (146, 136595), (170, 117311), (365, 54638), (730, 27319), (1241, 16070), (1607, 12410), (2482, 8035), (3214, 6205)]