18672642

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 44255484

約数和(自身を除く): 25582842

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 53, 69, 74, 106, 111, 138, 159, 207, 222, 318, 333, 414, 477, 529, 666, 851, 954, 1058, 1219, 1587, 1702, 1961, 2438, 2553, 3174, 3657, 3922, 4761, 5106, 5883, 7314, 7659, 9522, 10971, 11766, 15318, 17649, 19573, 21942, 28037, 35298, 39146, 45103, 56074, 58719, 84111, 90206, 117438, 135309, 168222, 176157, 252333, 270618, 352314, 405927, 504666, 811854, 1037369, 2074738, 3112107, 6224214, 9336321, 18672642]

約数ペア:

[(1, 18672642), (2, 9336321), (3, 6224214), (6, 3112107), (9, 2074738), (18, 1037369), (23, 811854), (37, 504666), (46, 405927), (53, 352314), (69, 270618), (74, 252333), (106, 176157), (111, 168222), (138, 135309), (159, 117438), (207, 90206), (222, 84111), (318, 58719), (333, 56074), (414, 45103), (477, 39146), (529, 35298), (666, 28037), (851, 21942), (954, 19573), (1058, 17649), (1219, 15318), (1587, 11766), (1702, 10971), (1961, 9522), (2438, 7659), (2553, 7314), (3174, 5883), (3657, 5106), (3922, 4761)]