18657778

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2841

約数の個数: 16

約数和(自身を含む): 28984320

約数和(自身を除く): 10326542

約数列:

[1, 2, 47, 73, 94, 146, 2719, 3431, 5438, 6862, 127793, 198487, 255586, 396974, 9328889, 18657778]

約数ペア:

[(1, 18657778), (2, 9328889), (47, 396974), (73, 255586), (94, 198487), (146, 127793), (2719, 6862), (3431, 5438)]