18735760

素因数分解:

$2^4\times 5^1\times {\mathrm{234197}}^1$

素因数の和:234210

約数の個数: 20

約数和(自身を含む): 43560828

約数和(自身を除く): 24825068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234197, 468394, 936788, 1170985, 1873576, 2341970, 3747152, 4683940, 9367880, 18735760]

約数ペア:

[(1, 18735760), (2, 9367880), (4, 4683940), (5, 3747152), (8, 2341970), (10, 1873576), (16, 1170985), (20, 936788), (40, 468394), (80, 234197)]