18683868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 50045184

約数和(自身を除く): 31361316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 641, 694, 1041, 1282, 1388, 1923, 2082, 2429, 2564, 3846, 4164, 4487, 4858, 7287, 7692, 8974, 9716, 13461, 14574, 17948, 26922, 29148, 53844, 222427, 444854, 667281, 889708, 1334562, 1556989, 2669124, 3113978, 4670967, 6227956, 9341934, 18683868]

約数ペア:

[(1, 18683868), (2, 9341934), (3, 6227956), (4, 4670967), (6, 3113978), (7, 2669124), (12, 1556989), (14, 1334562), (21, 889708), (28, 667281), (42, 444854), (84, 222427), (347, 53844), (641, 29148), (694, 26922), (1041, 17948), (1282, 14574), (1388, 13461), (1923, 9716), (2082, 8974), (2429, 7692), (2564, 7287), (3846, 4858), (4164, 4487)]