18866040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157217}}^1$

素因数の和:157231

約数の個数: 32

約数和(自身を含む): 56598480

約数和(自身を除く): 37732440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157217, 314434, 471651, 628868, 786085, 943302, 1257736, 1572170, 1886604, 2358255, 3144340, 3773208, 4716510, 6288680, 9433020, 18866040]

約数ペア:

[(1, 18866040), (2, 9433020), (3, 6288680), (4, 4716510), (5, 3773208), (6, 3144340), (8, 2358255), (10, 1886604), (12, 1572170), (15, 1257736), (20, 943302), (24, 786085), (30, 628868), (40, 471651), (60, 314434), (120, 157217)]