19702494

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 31446306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1109, 1269, 1974, 2218, 2538, 2961, 3327, 5922, 6654, 7763, 8883, 9981, 15526, 17766, 19962, 23289, 29943, 46578, 52123, 59886, 69867, 104246, 139734, 156369, 209601, 312738, 364861, 419202, 469107, 729722, 938214, 1094583, 1407321, 2189166, 2814642, 3283749, 6567498, 9851247, 19702494]

約数ペア:

[(1, 19702494), (2, 9851247), (3, 6567498), (6, 3283749), (7, 2814642), (9, 2189166), (14, 1407321), (18, 1094583), (21, 938214), (27, 729722), (42, 469107), (47, 419202), (54, 364861), (63, 312738), (94, 209601), (126, 156369), (141, 139734), (189, 104246), (282, 69867), (329, 59886), (378, 52123), (423, 46578), (658, 29943), (846, 23289), (987, 19962), (1109, 17766), (1269, 15526), (1974, 9981), (2218, 8883), (2538, 7763), (2961, 6654), (3327, 5922)]