19983928538

素因数分解:

$2^1\times 7^1\times {\mathrm{3659}}^1\times {\mathrm{390113}}^1$

素因数の和:393781

約数の個数: 16

約数和(自身を含む): 34267613760

約数和(自身を除く): 14283685222

約数列:

[1, 2, 7, 14, 3659, 7318, 25613, 51226, 390113, 780226, 2730791, 5461582, 1427423467, 2854846934, 9991964269, 19983928538]

約数ペア:

[(1, 19983928538), (2, 9991964269), (7, 2854846934), (14, 1427423467), (3659, 5461582), (7318, 2730791), (25613, 780226), (51226, 390113)]