19231191

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33679360

約数和(自身を除く): 14448169

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 229, 279, 301, 387, 651, 687, 903, 1333, 1603, 1953, 2061, 2709, 3999, 4809, 7099, 9331, 9847, 11997, 14427, 21297, 27993, 29541, 49693, 63891, 68929, 83979, 88623, 149079, 206787, 305257, 447237, 620361, 915771, 2136799, 2747313, 6410397, 19231191]

約数ペア:

[(1, 19231191), (3, 6410397), (7, 2747313), (9, 2136799), (21, 915771), (31, 620361), (43, 447237), (63, 305257), (93, 206787), (129, 149079), (217, 88623), (229, 83979), (279, 68929), (301, 63891), (387, 49693), (651, 29541), (687, 27993), (903, 21297), (1333, 14427), (1603, 11997), (1953, 9847), (2061, 9331), (2709, 7099), (3999, 4809)]