18961737

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3253}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 26552640

約数和(自身を除く): 7590903

約数列:

[1, 3, 29, 67, 87, 201, 1943, 3253, 5829, 9759, 94337, 217951, 283011, 653853, 6320579, 18961737]

約数ペア:

[(1, 18961737), (3, 6320579), (29, 653853), (67, 283011), (87, 217951), (201, 94337), (1943, 9759), (3253, 5829)]