19925556

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 55910400

約数和(自身を除く): 35984844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 103, 141, 147, 188, 196, 206, 282, 294, 309, 329, 343, 412, 564, 588, 618, 658, 686, 721, 987, 1029, 1236, 1316, 1372, 1442, 1974, 2058, 2163, 2303, 2884, 3948, 4116, 4326, 4606, 4841, 5047, 6909, 8652, 9212, 9682, 10094, 13818, 14523, 15141, 16121, 19364, 20188, 27636, 29046, 30282, 32242, 33887, 35329, 48363, 58092, 60564, 64484, 67774, 70658, 96726, 101661, 105987, 135548, 141316, 193452, 203322, 211974, 237209, 406644, 423948, 474418, 711627, 948836, 1423254, 1660463, 2846508, 3320926, 4981389, 6641852, 9962778, 19925556]

約数ペア:

[(1, 19925556), (2, 9962778), (3, 6641852), (4, 4981389), (6, 3320926), (7, 2846508), (12, 1660463), (14, 1423254), (21, 948836), (28, 711627), (42, 474418), (47, 423948), (49, 406644), (84, 237209), (94, 211974), (98, 203322), (103, 193452), (141, 141316), (147, 135548), (188, 105987), (196, 101661), (206, 96726), (282, 70658), (294, 67774), (309, 64484), (329, 60564), (343, 58092), (412, 48363), (564, 35329), (588, 33887), (618, 32242), (658, 30282), (686, 29046), (721, 27636), (987, 20188), (1029, 19364), (1236, 16121), (1316, 15141), (1372, 14523), (1442, 13818), (1974, 10094), (2058, 9682), (2163, 9212), (2303, 8652), (2884, 6909), (3948, 5047), (4116, 4841), (4326, 4606)]