19201098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 45785088

約数和(自身を除く): 26583990

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 71, 94, 137, 141, 142, 213, 274, 282, 329, 411, 426, 497, 658, 822, 959, 987, 994, 1491, 1918, 1974, 2877, 2982, 3337, 5754, 6439, 6674, 9727, 10011, 12878, 19317, 19454, 20022, 23359, 29181, 38634, 45073, 46718, 58362, 68089, 70077, 90146, 135219, 136178, 140154, 204267, 270438, 408534, 457169, 914338, 1371507, 2743014, 3200183, 6400366, 9600549, 19201098]

約数ペア:

[(1, 19201098), (2, 9600549), (3, 6400366), (6, 3200183), (7, 2743014), (14, 1371507), (21, 914338), (42, 457169), (47, 408534), (71, 270438), (94, 204267), (137, 140154), (141, 136178), (142, 135219), (213, 90146), (274, 70077), (282, 68089), (329, 58362), (411, 46718), (426, 45073), (497, 38634), (658, 29181), (822, 23359), (959, 20022), (987, 19454), (994, 19317), (1491, 12878), (1918, 10011), (1974, 9727), (2877, 6674), (2982, 6439), (3337, 5754)]