18949490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1621}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 39239424

約数和(自身を除く): 20289934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1621, 1670, 2338, 3242, 5845, 8105, 11347, 11690, 16210, 22694, 56735, 113470, 270707, 541414, 1353535, 1894949, 2707070, 3789898, 9474745, 18949490]

約数ペア:

[(1, 18949490), (2, 9474745), (5, 3789898), (7, 2707070), (10, 1894949), (14, 1353535), (35, 541414), (70, 270707), (167, 113470), (334, 56735), (835, 22694), (1169, 16210), (1621, 11690), (1670, 11347), (2338, 8105), (3242, 5845)]