19172137390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{563}}^1\times {\mathrm{69497}}^1$

素因数の和:70081

約数の個数: 48

約数和(自身を含む): 40215990672

約数和(自身を除く): 21043853282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 563, 1126, 2815, 3941, 5630, 7882, 19705, 27587, 39410, 55174, 69497, 137935, 138994, 275870, 347485, 486479, 694970, 972958, 2432395, 3405353, 4864790, 6810706, 17026765, 34053530, 39126811, 78253622, 195634055, 273887677, 391268110, 547775354, 1369438385, 1917213739, 2738876770, 3834427478, 9586068695, 19172137390]

約数ペア:

[(1, 19172137390), (2, 9586068695), (5, 3834427478), (7, 2738876770), (10, 1917213739), (14, 1369438385), (35, 547775354), (49, 391268110), (70, 273887677), (98, 195634055), (245, 78253622), (490, 39126811), (563, 34053530), (1126, 17026765), (2815, 6810706), (3941, 4864790), (5630, 3405353), (7882, 2432395), (19705, 972958), (27587, 694970), (39410, 486479), (55174, 347485), (69497, 275870), (137935, 138994)]