19139470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3936

約数の個数: 32

約数和(自身を含む): 39937536

約数和(自身を除く): 20798066

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 3851, 4970, 7702, 19255, 26957, 38510, 53914, 134785, 269570, 273421, 546842, 1367105, 1913947, 2734210, 3827894, 9569735, 19139470]

約数ペア:

[(1, 19139470), (2, 9569735), (5, 3827894), (7, 2734210), (10, 1913947), (14, 1367105), (35, 546842), (70, 273421), (71, 269570), (142, 134785), (355, 53914), (497, 38510), (710, 26957), (994, 19255), (2485, 7702), (3851, 4970)]