19960992012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{256423}}^1$

素因数の和:256942

約数の個数: 48

約数和(自身を含む): 50259104000

約数和(自身を除く): 30298111988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 499, 998, 1497, 1996, 2994, 5988, 6487, 12974, 19461, 25948, 38922, 77844, 256423, 512846, 769269, 1025692, 1538538, 3077076, 3333499, 6666998, 10000497, 13333996, 20000994, 40001988, 127955077, 255910154, 383865231, 511820308, 767730462, 1535460924, 1663416001, 3326832002, 4990248003, 6653664004, 9980496006, 19960992012]

約数ペア:

[(1, 19960992012), (2, 9980496006), (3, 6653664004), (4, 4990248003), (6, 3326832002), (12, 1663416001), (13, 1535460924), (26, 767730462), (39, 511820308), (52, 383865231), (78, 255910154), (156, 127955077), (499, 40001988), (998, 20000994), (1497, 13333996), (1996, 10000497), (2994, 6666998), (5988, 3333499), (6487, 3077076), (12974, 1538538), (19461, 1025692), (25948, 769269), (38922, 512846), (77844, 256423)]