18659434

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:645

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 9737366

約数列:

[1, 2, 173, 199, 271, 346, 398, 542, 34427, 46883, 53929, 68854, 93766, 107858, 9329717, 18659434]

約数ペア:

[(1, 18659434), (2, 9329717), (173, 107858), (199, 93766), (271, 68854), (346, 53929), (398, 46883), (542, 34427)]