19685844

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2269}}^1$

素因数の和:2520

約数の個数: 36

約数和(自身を含む): 49989940

約数和(自身を除く): 30304096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2269, 2892, 4338, 4538, 6807, 8676, 9076, 13614, 20421, 27228, 40842, 81684, 546829, 1093658, 1640487, 2187316, 3280974, 4921461, 6561948, 9842922, 19685844]

約数ペア:

[(1, 19685844), (2, 9842922), (3, 6561948), (4, 4921461), (6, 3280974), (9, 2187316), (12, 1640487), (18, 1093658), (36, 546829), (241, 81684), (482, 40842), (723, 27228), (964, 20421), (1446, 13614), (2169, 9076), (2269, 8676), (2892, 6807), (4338, 4538)]