18598020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44281}}^1$

素因数の和:44300

約数の個数: 48

約数和(自身を含む): 59515008

約数和(自身を除く): 40916988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44281, 88562, 132843, 177124, 221405, 265686, 309967, 442810, 531372, 619934, 664215, 885620, 929901, 1239868, 1328430, 1549835, 1859802, 2656860, 3099670, 3719604, 4649505, 6199340, 9299010, 18598020]

約数ペア:

[(1, 18598020), (2, 9299010), (3, 6199340), (4, 4649505), (5, 3719604), (6, 3099670), (7, 2656860), (10, 1859802), (12, 1549835), (14, 1328430), (15, 1239868), (20, 929901), (21, 885620), (28, 664215), (30, 619934), (35, 531372), (42, 442810), (60, 309967), (70, 265686), (84, 221405), (105, 177124), (140, 132843), (210, 88562), (420, 44281)]