19454994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 46073664

約数和(自身を除く): 26618670

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1171, 1278, 1846, 2342, 2769, 3513, 5538, 7026, 8307, 10539, 15223, 16614, 21078, 30446, 45669, 83141, 91338, 137007, 166282, 249423, 274014, 498846, 748269, 1080833, 1496538, 2161666, 3242499, 6484998, 9727497, 19454994]

約数ペア:

[(1, 19454994), (2, 9727497), (3, 6484998), (6, 3242499), (9, 2161666), (13, 1496538), (18, 1080833), (26, 748269), (39, 498846), (71, 274014), (78, 249423), (117, 166282), (142, 137007), (213, 91338), (234, 83141), (426, 45669), (639, 30446), (923, 21078), (1171, 16614), (1278, 15223), (1846, 10539), (2342, 8307), (2769, 7026), (3513, 5538)]