18894201

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 27123264

約数和(自身を除く): 8229063

約数列:

[1, 3, 23, 61, 67, 69, 183, 201, 1403, 1541, 4087, 4209, 4489, 4623, 12261, 13467, 94001, 103247, 273829, 282003, 309741, 821487, 6298067, 18894201]

約数ペア:

[(1, 18894201), (3, 6298067), (23, 821487), (61, 309741), (67, 282003), (69, 273829), (183, 103247), (201, 94001), (1403, 13467), (1541, 12261), (4087, 4623), (4209, 4489)]