18741933

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{571}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 31052736

約数和(自身を除く): 12310803

約数列:

[1, 3, 7, 9, 21, 63, 521, 571, 1563, 1713, 3647, 3997, 4689, 5139, 10941, 11991, 32823, 35973, 297491, 892473, 2082437, 2677419, 6247311, 18741933]

約数ペア:

[(1, 18741933), (3, 6247311), (7, 2677419), (9, 2082437), (21, 892473), (63, 297491), (521, 35973), (571, 32823), (1563, 11991), (1713, 10941), (3647, 5139), (3997, 4689)]