18639972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39829}}^1$

素因数の和:39852

約数の個数: 36

約数和(自身を含む): 50743420

約数和(自身を除く): 32103448

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39829, 79658, 119487, 159316, 238974, 358461, 477948, 517777, 716922, 1035554, 1433844, 1553331, 2071108, 3106662, 4659993, 6213324, 9319986, 18639972]

約数ペア:

[(1, 18639972), (2, 9319986), (3, 6213324), (4, 4659993), (6, 3106662), (9, 2071108), (12, 1553331), (13, 1433844), (18, 1035554), (26, 716922), (36, 517777), (39, 477948), (52, 358461), (78, 238974), (117, 159316), (156, 119487), (234, 79658), (468, 39829)]