18707457

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6983}}^1$

素因数の和:7052

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 8111103

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 6983, 20949, 132677, 328201, 398031, 984603, 6235819, 18707457]

約数ペア:

[(1, 18707457), (3, 6235819), (19, 984603), (47, 398031), (57, 328201), (141, 132677), (893, 20949), (2679, 6983)]