19699212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 49829472

約数和(自身を除く): 30130260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 641, 788, 1182, 1282, 1923, 2364, 2561, 2564, 3846, 5122, 7683, 7692, 8333, 10244, 15366, 16666, 24999, 30732, 33332, 49998, 99996, 126277, 252554, 378831, 505108, 757662, 1515324, 1641601, 3283202, 4924803, 6566404, 9849606, 19699212]

約数ペア:

[(1, 19699212), (2, 9849606), (3, 6566404), (4, 4924803), (6, 3283202), (12, 1641601), (13, 1515324), (26, 757662), (39, 505108), (52, 378831), (78, 252554), (156, 126277), (197, 99996), (394, 49998), (591, 33332), (641, 30732), (788, 24999), (1182, 16666), (1282, 15366), (1923, 10244), (2364, 8333), (2561, 7692), (2564, 7683), (3846, 5122)]