18743290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26399}}^1$

素因数の和:26477

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 15471110

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26399, 52798, 131995, 263990, 1874329, 3748658, 9371645, 18743290]

約数ペア:

[(1, 18743290), (2, 9371645), (5, 3748658), (10, 1874329), (71, 263990), (142, 131995), (355, 52798), (710, 26399)]