18518882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 12844318

約数列:

[1, 2, 17, 19, 34, 38, 109, 218, 263, 323, 526, 646, 1853, 2071, 3706, 4142, 4471, 4997, 8942, 9994, 28667, 35207, 57334, 70414, 84949, 169898, 487339, 544673, 974678, 1089346, 9259441, 18518882]

約数ペア:

[(1, 18518882), (2, 9259441), (17, 1089346), (19, 974678), (34, 544673), (38, 487339), (109, 169898), (218, 84949), (263, 70414), (323, 57334), (526, 35207), (646, 28667), (1853, 9994), (2071, 8942), (3706, 4997), (4142, 4471)]