18421060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18797}}^1$

素因数の和:18820

約数の個数: 36

約数和(自身を含む): 45002412

約数和(自身を除く): 26581352

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18797, 37594, 75188, 93985, 131579, 187970, 263158, 375940, 526316, 657895, 921053, 1315790, 1842106, 2631580, 3684212, 4605265, 9210530, 18421060]

約数ペア:

[(1, 18421060), (2, 9210530), (4, 4605265), (5, 3684212), (7, 2631580), (10, 1842106), (14, 1315790), (20, 921053), (28, 657895), (35, 526316), (49, 375940), (70, 263158), (98, 187970), (140, 131579), (196, 93985), (245, 75188), (490, 37594), (980, 18797)]