19912318342

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{76423}}^1$

素因数の和:76972

約数の個数: 32

約数和(自身を含む): 35128138752

約数和(自身を除く): 15215820410

約数列:

[1, 2, 7, 14, 37, 74, 259, 503, 518, 1006, 3521, 7042, 18611, 37222, 76423, 130277, 152846, 260554, 534961, 1069922, 2827651, 5655302, 19793557, 38440769, 39587114, 76881538, 269085383, 538170766, 1422308453, 2844616906, 9956159171, 19912318342]

約数ペア:

[(1, 19912318342), (2, 9956159171), (7, 2844616906), (14, 1422308453), (37, 538170766), (74, 269085383), (259, 76881538), (503, 39587114), (518, 38440769), (1006, 19793557), (3521, 5655302), (7042, 2827651), (18611, 1069922), (37222, 534961), (76423, 260554), (130277, 152846)]