18842018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 32949504

約数和(自身を除く): 14107486

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 907, 1222, 1598, 1814, 10387, 11791, 15419, 20774, 23582, 30838, 42629, 85258, 200447, 400894, 554177, 724693, 1108354, 1449386, 9421009, 18842018]

約数ペア:

[(1, 18842018), (2, 9421009), (13, 1449386), (17, 1108354), (26, 724693), (34, 554177), (47, 400894), (94, 200447), (221, 85258), (442, 42629), (611, 30838), (799, 23582), (907, 20774), (1222, 15419), (1598, 11791), (1814, 10387)]