18702261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 28776384

約数和(自身を除く): 10074123

約数列:

[1, 3, 9, 17, 51, 153, 251, 487, 753, 1461, 2259, 4267, 4383, 8279, 12801, 24837, 38403, 74511, 122237, 366711, 1100133, 2078029, 6234087, 18702261]

約数ペア:

[(1, 18702261), (3, 6234087), (9, 2078029), (17, 1100133), (51, 366711), (153, 122237), (251, 74511), (487, 38403), (753, 24837), (1461, 12801), (2259, 8279), (4267, 4383)]