18910922

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 12345142

約数列:

[1, 2, 23, 37, 41, 46, 74, 82, 271, 542, 851, 943, 1517, 1702, 1886, 3034, 6233, 10027, 11111, 12466, 20054, 22222, 34891, 69782, 230621, 255553, 411107, 461242, 511106, 822214, 9455461, 18910922]

約数ペア:

[(1, 18910922), (2, 9455461), (23, 822214), (37, 511106), (41, 461242), (46, 411107), (74, 255553), (82, 230621), (271, 69782), (542, 34891), (851, 22222), (943, 20054), (1517, 12466), (1702, 11111), (1886, 10027), (3034, 6233)]