17898842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12583078

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 419, 689, 806, 838, 1378, 1643, 3286, 5447, 10894, 12989, 21359, 22207, 25978, 42718, 44414, 168857, 288691, 337714, 577382, 688417, 1376834, 8949421, 17898842]

約数ペア:

[(1, 17898842), (2, 8949421), (13, 1376834), (26, 688417), (31, 577382), (53, 337714), (62, 288691), (106, 168857), (403, 44414), (419, 42718), (689, 25978), (806, 22207), (838, 21359), (1378, 12989), (1643, 10894), (3286, 5447)]