18716904

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 51779520

約数和(自身を除く): 33062616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 5531, 11062, 16593, 22124, 33186, 44248, 49779, 66372, 99558, 132744, 199116, 259957, 398232, 519914, 779871, 1039828, 1559742, 2079656, 2339613, 3119484, 4679226, 6238968, 9358452, 18716904]

約数ペア:

[(1, 18716904), (2, 9358452), (3, 6238968), (4, 4679226), (6, 3119484), (8, 2339613), (9, 2079656), (12, 1559742), (18, 1039828), (24, 779871), (36, 519914), (47, 398232), (72, 259957), (94, 199116), (141, 132744), (188, 99558), (282, 66372), (376, 49779), (423, 44248), (564, 33186), (846, 22124), (1128, 16593), (1692, 11062), (3384, 5531)]