19904331712

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3206239}}^1$

素因数の和:3206348

約数の個数: 28

約数和(自身を含む): 39904863040

約数和(自身を除く): 20000531328

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 3206239, 6412478, 12824956, 25649912, 51299824, 102599648, 205199296, 311005183, 622010366, 1244020732, 2488041464, 4976082928, 9952165856, 19904331712]

約数ペア:

[(1, 19904331712), (2, 9952165856), (4, 4976082928), (8, 2488041464), (16, 1244020732), (32, 622010366), (64, 311005183), (97, 205199296), (194, 102599648), (388, 51299824), (776, 25649912), (1552, 12824956), (3104, 6412478), (6208, 3206239)]