19986078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475859}}^1$

素因数の和:475871

約数の個数: 16

約数和(自身を含む): 45682560

約数和(自身を除く): 25696482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475859, 951718, 1427577, 2855154, 3331013, 6662026, 9993039, 19986078]

約数ペア:

[(1, 19986078), (2, 9993039), (3, 6662026), (6, 3331013), (7, 2855154), (14, 1427577), (21, 951718), (42, 475859)]