18198165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 11993451

約数列:

[1, 3, 5, 15, 47, 83, 141, 235, 249, 311, 415, 705, 933, 1245, 1555, 3901, 4665, 11703, 14617, 19505, 25813, 43851, 58515, 73085, 77439, 129065, 219255, 387195, 1213211, 3639633, 6066055, 18198165]

約数ペア:

[(1, 18198165), (3, 6066055), (5, 3639633), (15, 1213211), (47, 387195), (83, 219255), (141, 129065), (235, 77439), (249, 73085), (311, 58515), (415, 43851), (705, 25813), (933, 19505), (1245, 14617), (1555, 11703), (3901, 4665)]