18605937

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2693}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 29483136

約数和(自身を除く): 10877199

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2693, 6909, 8079, 18851, 56553, 126571, 131957, 379713, 395871, 885997, 2657991, 6201979, 18605937]

約数ペア:

[(1, 18605937), (3, 6201979), (7, 2657991), (21, 885997), (47, 395871), (49, 379713), (141, 131957), (147, 126571), (329, 56553), (987, 18851), (2303, 8079), (2693, 6909)]