18239403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 30385152

約数和(自身を除く): 12145749

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 941, 1491, 2769, 2823, 6461, 6587, 12233, 19383, 19761, 36699, 66811, 85631, 200433, 256893, 467677, 868543, 1403031, 2605629, 6079801, 18239403]

約数ペア:

[(1, 18239403), (3, 6079801), (7, 2605629), (13, 1403031), (21, 868543), (39, 467677), (71, 256893), (91, 200433), (213, 85631), (273, 66811), (497, 36699), (923, 19761), (941, 19383), (1491, 12233), (2769, 6587), (2823, 6461)]