19071290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38921}}^1$

素因数の和:38942

約数の個数: 24

約数和(自身を含む): 39933972

約数和(自身を除く): 20862682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38921, 77842, 194605, 272447, 389210, 544894, 1362235, 1907129, 2724470, 3814258, 9535645, 19071290]

約数ペア:

[(1, 19071290), (2, 9535645), (5, 3814258), (7, 2724470), (10, 1907129), (14, 1362235), (35, 544894), (49, 389210), (70, 272447), (98, 194605), (245, 77842), (490, 38921)]