18000812

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 33817056

約数和(自身を除く): 15816244

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 181, 188, 362, 529, 724, 1058, 1081, 2116, 2162, 4163, 4324, 8326, 8507, 16652, 17014, 24863, 34028, 49726, 95749, 99452, 191498, 195661, 382996, 391322, 782644, 4500203, 9000406, 18000812]

約数ペア:

[(1, 18000812), (2, 9000406), (4, 4500203), (23, 782644), (46, 391322), (47, 382996), (92, 195661), (94, 191498), (181, 99452), (188, 95749), (362, 49726), (529, 34028), (724, 24863), (1058, 17014), (1081, 16652), (2116, 8507), (2162, 8326), (4163, 4324)]