19487370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 54245376

約数和(自身を除く): 34758006

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1307, 1491, 2130, 2485, 2614, 2982, 3921, 4970, 6535, 7455, 7842, 9149, 13070, 14910, 18298, 19605, 27447, 39210, 45745, 54894, 91490, 92797, 137235, 185594, 274470, 278391, 463985, 556782, 649579, 927970, 1299158, 1391955, 1948737, 2783910, 3247895, 3897474, 6495790, 9743685, 19487370]

約数ペア:

[(1, 19487370), (2, 9743685), (3, 6495790), (5, 3897474), (6, 3247895), (7, 2783910), (10, 1948737), (14, 1391955), (15, 1299158), (21, 927970), (30, 649579), (35, 556782), (42, 463985), (70, 278391), (71, 274470), (105, 185594), (142, 137235), (210, 92797), (213, 91490), (355, 54894), (426, 45745), (497, 39210), (710, 27447), (994, 19605), (1065, 18298), (1307, 14910), (1491, 13070), (2130, 9149), (2485, 7842), (2614, 7455), (2982, 6535), (3921, 4970)]