17992980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{99961}}^1$

素因数の和:99976

約数の個数: 36

約数和(自身を含む): 54579252

約数和(自身を除く): 36586272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 99961, 199922, 299883, 399844, 499805, 599766, 899649, 999610, 1199532, 1499415, 1799298, 1999220, 2998830, 3598596, 4498245, 5997660, 8996490, 17992980]

約数ペア:

[(1, 17992980), (2, 8996490), (3, 5997660), (4, 4498245), (5, 3598596), (6, 2998830), (9, 1999220), (10, 1799298), (12, 1499415), (15, 1199532), (18, 999610), (20, 899649), (30, 599766), (36, 499805), (45, 399844), (60, 299883), (90, 199922), (180, 99961)]