19759390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 40803840

約数和(自身を除く): 21044450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 643, 878, 1286, 2195, 3073, 3215, 4390, 4501, 6146, 6430, 9002, 15365, 22505, 30730, 45010, 282277, 564554, 1411385, 1975939, 2822770, 3951878, 9879695, 19759390]

約数ペア:

[(1, 19759390), (2, 9879695), (5, 3951878), (7, 2822770), (10, 1975939), (14, 1411385), (35, 564554), (70, 282277), (439, 45010), (643, 30730), (878, 22505), (1286, 15365), (2195, 9002), (3073, 6430), (3215, 6146), (4390, 4501)]