18734079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 31005184

約数和(自身を除く): 12271105

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 421, 489, 1141, 1263, 2119, 2947, 3423, 5473, 6357, 8841, 14833, 16419, 38311, 44499, 68623, 114933, 205869, 480361, 892099, 1441083, 2676297, 6244693, 18734079]

約数ペア:

[(1, 18734079), (3, 6244693), (7, 2676297), (13, 1441083), (21, 892099), (39, 480361), (91, 205869), (163, 114933), (273, 68623), (421, 44499), (489, 38311), (1141, 16419), (1263, 14833), (2119, 8841), (2947, 6357), (3423, 5473)]