13156955536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{79999}}^1$

素因数の和:80567

約数の個数: 40

約数和(自身を含む): 26883200000

約数和(自身を除く): 13726244464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 541, 1082, 2164, 4328, 8656, 10279, 20558, 41116, 79999, 82232, 159998, 164464, 319996, 639992, 1279984, 1519981, 3039962, 6079924, 12159848, 24319696, 43279459, 86558918, 173117836, 346235672, 692471344, 822309721, 1644619442, 3289238884, 6578477768, 13156955536]

約数ペア:

[(1, 13156955536), (2, 6578477768), (4, 3289238884), (8, 1644619442), (16, 822309721), (19, 692471344), (38, 346235672), (76, 173117836), (152, 86558918), (304, 43279459), (541, 24319696), (1082, 12159848), (2164, 6079924), (4328, 3039962), (8656, 1519981), (10279, 1279984), (20558, 639992), (41116, 319996), (79999, 164464), (82232, 159998)]