18616276

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5036

約数の個数: 36

約数和(自身を含む): 39900000

約数和(自身を除く): 21283724

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4999, 9998, 19996, 34993, 69986, 94981, 139972, 189962, 244951, 379924, 489902, 664867, 979804, 1329734, 2659468, 4654069, 9308138, 18616276]

約数ペア:

[(1, 18616276), (2, 9308138), (4, 4654069), (7, 2659468), (14, 1329734), (19, 979804), (28, 664867), (38, 489902), (49, 379924), (76, 244951), (98, 189962), (133, 139972), (196, 94981), (266, 69986), (532, 34993), (931, 19996), (1862, 9998), (3724, 4999)]