18361420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11923}}^1$

素因数の和:11950

約数の個数: 48

約数和(自身を含む): 48077568

約数和(自身を除く): 29716148

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11923, 23846, 47692, 59615, 83461, 119230, 131153, 166922, 238460, 262306, 333844, 417305, 524612, 655765, 834610, 918071, 1311530, 1669220, 1836142, 2623060, 3672284, 4590355, 9180710, 18361420]

約数ペア:

[(1, 18361420), (2, 9180710), (4, 4590355), (5, 3672284), (7, 2623060), (10, 1836142), (11, 1669220), (14, 1311530), (20, 918071), (22, 834610), (28, 655765), (35, 524612), (44, 417305), (55, 333844), (70, 262306), (77, 238460), (110, 166922), (140, 131153), (154, 119230), (220, 83461), (308, 59615), (385, 47692), (770, 23846), (1540, 11923)]