18211900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{26017}}^1$

素因数の和:26038

約数の個数: 36

約数和(自身を含む): 45167248

約数和(自身を除く): 26955348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 26017, 52034, 104068, 130085, 182119, 260170, 364238, 520340, 650425, 728476, 910595, 1300850, 1821190, 2601700, 3642380, 4552975, 9105950, 18211900]

約数ペア:

[(1, 18211900), (2, 9105950), (4, 4552975), (5, 3642380), (7, 2601700), (10, 1821190), (14, 1300850), (20, 910595), (25, 728476), (28, 650425), (35, 520340), (50, 364238), (70, 260170), (100, 182119), (140, 130085), (175, 104068), (350, 52034), (700, 26017)]