18461840

素因数分解:

$2^4\times 5^1\times {\mathrm{230773}}^1$

素因数の和:230786

約数の個数: 20

約数和(自身を含む): 42923964

約数和(自身を除く): 24462124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230773, 461546, 923092, 1153865, 1846184, 2307730, 3692368, 4615460, 9230920, 18461840]

約数ペア:

[(1, 18461840), (2, 9230920), (4, 4615460), (5, 3692368), (8, 2307730), (10, 1846184), (16, 1153865), (20, 923092), (40, 461546), (80, 230773)]