1821364415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{7411}}^1$

素因数の和:7647

約数の個数: 32

約数和(自身を含む): 2490432000

約数和(自身を除く): 669067585

約数列:

[1, 5, 13, 19, 65, 95, 199, 247, 995, 1235, 2587, 3781, 7411, 12935, 18905, 37055, 49153, 96343, 140809, 245765, 481715, 704045, 1474789, 1830517, 7373945, 9152585, 19172257, 28020991, 95861285, 140104955, 364272883, 1821364415]

約数ペア:

[(1, 1821364415), (5, 364272883), (13, 140104955), (19, 95861285), (65, 28020991), (95, 19172257), (199, 9152585), (247, 7373945), (995, 1830517), (1235, 1474789), (2587, 704045), (3781, 481715), (7411, 245765), (12935, 140809), (18905, 96343), (37055, 49153)]