18778864812

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{68507}}^1$

素因数の和:68998

約数の個数: 48

約数和(自身を含む): 44748329472

約数和(自身を除く): 25969464660

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 431, 636, 862, 1293, 1724, 2586, 5172, 22843, 45686, 68507, 68529, 91372, 137014, 137058, 205521, 274028, 274116, 411042, 822084, 3630871, 7261742, 10892613, 14523484, 21785226, 29526517, 43570452, 59053034, 88579551, 118106068, 177159102, 354318204, 1564905401, 3129810802, 4694716203, 6259621604, 9389432406, 18778864812]

約数ペア:

[(1, 18778864812), (2, 9389432406), (3, 6259621604), (4, 4694716203), (6, 3129810802), (12, 1564905401), (53, 354318204), (106, 177159102), (159, 118106068), (212, 88579551), (318, 59053034), (431, 43570452), (636, 29526517), (862, 21785226), (1293, 14523484), (1724, 10892613), (2586, 7261742), (5172, 3630871), (22843, 822084), (45686, 411042), (68507, 274116), (68529, 274028), (91372, 205521), (137014, 137058)]