19961616

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{2111}}^1$

素因数の和:2319

約数の個数: 40

約数和(自身を含む): 51853824

約数和(自身を除く): 31892208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 394, 591, 788, 1182, 1576, 2111, 2364, 3152, 4222, 4728, 6333, 8444, 9456, 12666, 16888, 25332, 33776, 50664, 101328, 415867, 831734, 1247601, 1663468, 2495202, 3326936, 4990404, 6653872, 9980808, 19961616]

約数ペア:

[(1, 19961616), (2, 9980808), (3, 6653872), (4, 4990404), (6, 3326936), (8, 2495202), (12, 1663468), (16, 1247601), (24, 831734), (48, 415867), (197, 101328), (394, 50664), (591, 33776), (788, 25332), (1182, 16888), (1576, 12666), (2111, 9456), (2364, 8444), (3152, 6333), (4222, 4728)]