19156916611

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 23841212160

約数和(自身を除く): 4684295549

約数列:

[1, 7, 19, 37, 133, 259, 331, 361, 619, 703, 2317, 2527, 4333, 4921, 6289, 11761, 12247, 13357, 22903, 44023, 82327, 85729, 93499, 119491, 160321, 204889, 223459, 232693, 435157, 836437, 1434223, 1564213, 1628851, 3046099, 3892891, 4421167, 7580893, 8267983, 27250237, 30948169, 53066251, 57875881, 73964929, 144036967, 517754503, 1008258769, 2736702373, 19156916611]

約数ペア:

[(1, 19156916611), (7, 2736702373), (19, 1008258769), (37, 517754503), (133, 144036967), (259, 73964929), (331, 57875881), (361, 53066251), (619, 30948169), (703, 27250237), (2317, 8267983), (2527, 7580893), (4333, 4421167), (4921, 3892891), (6289, 3046099), (11761, 1628851), (12247, 1564213), (13357, 1434223), (22903, 836437), (44023, 435157), (82327, 232693), (85729, 223459), (93499, 204889), (119491, 160321)]