18693693

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 10941507

約数列:

[1, 3, 9, 17, 27, 51, 139, 153, 293, 417, 459, 879, 1251, 2363, 2637, 3753, 4981, 7089, 7911, 14943, 21267, 40727, 44829, 63801, 122181, 134487, 366543, 692359, 1099629, 2077077, 6231231, 18693693]

約数ペア:

[(1, 18693693), (3, 6231231), (9, 2077077), (17, 1099629), (27, 692359), (51, 366543), (139, 134487), (153, 122181), (293, 63801), (417, 44829), (459, 40727), (879, 21267), (1251, 14943), (2363, 7911), (2637, 7089), (3753, 4981)]