19791516

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 48319488

約数和(自身を除く): 28527972

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 641, 996, 1282, 1923, 2564, 2573, 3846, 5146, 7692, 7719, 10292, 15438, 19871, 30876, 39742, 53203, 59613, 79484, 106406, 119226, 159609, 212812, 238452, 319218, 638436, 1649293, 3298586, 4947879, 6597172, 9895758, 19791516]

約数ペア:

[(1, 19791516), (2, 9895758), (3, 6597172), (4, 4947879), (6, 3298586), (12, 1649293), (31, 638436), (62, 319218), (83, 238452), (93, 212812), (124, 159609), (166, 119226), (186, 106406), (249, 79484), (332, 59613), (372, 53203), (498, 39742), (641, 30876), (996, 19871), (1282, 15438), (1923, 10292), (2564, 7719), (2573, 7692), (3846, 5146)]