1916822908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{478727}}^1$

素因数の和:478762

約数の個数: 48

約数和(自身を含む): 4503873024

約数和(自身を除く): 2587050116

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 478727, 957454, 1914908, 3351089, 5265997, 6223451, 6702178, 10531994, 12446902, 13404356, 21063988, 24893804, 36861979, 43564157, 68457961, 73723958, 87128314, 136915922, 147447916, 174256628, 273831844, 479205727, 958411454, 1916822908]

約数ペア:

[(1, 1916822908), (2, 958411454), (4, 479205727), (7, 273831844), (11, 174256628), (13, 147447916), (14, 136915922), (22, 87128314), (26, 73723958), (28, 68457961), (44, 43564157), (52, 36861979), (77, 24893804), (91, 21063988), (143, 13404356), (154, 12446902), (182, 10531994), (286, 6702178), (308, 6223451), (364, 5265997), (572, 3351089), (1001, 1914908), (2002, 957454), (4004, 478727)]