19586770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 41663808

約数和(自身を除く): 22077038

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 563, 710, 994, 1126, 2485, 2815, 3479, 3941, 4970, 5630, 6958, 7882, 17395, 19705, 27587, 34790, 39410, 39973, 55174, 79946, 137935, 199865, 275870, 279811, 399730, 559622, 1399055, 1958677, 2798110, 3917354, 9793385, 19586770]

約数ペア:

[(1, 19586770), (2, 9793385), (5, 3917354), (7, 2798110), (10, 1958677), (14, 1399055), (35, 559622), (49, 399730), (70, 279811), (71, 275870), (98, 199865), (142, 137935), (245, 79946), (355, 55174), (490, 39973), (497, 39410), (563, 34790), (710, 27587), (994, 19705), (1126, 17395), (2485, 7882), (2815, 6958), (3479, 5630), (3941, 4970)]