18974730008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{476369}}^1$

素因数の和:476771

約数の個数: 32

約数和(自身を含む): 38414476800

約数和(自身を除く): 19439746792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 766, 1532, 3064, 4979, 9958, 19916, 39832, 476369, 952738, 1905476, 3810952, 6192797, 12385594, 24771188, 49542376, 182449327, 364898654, 729797308, 1459594616, 2371841251, 4743682502, 9487365004, 18974730008]

約数ペア:

[(1, 18974730008), (2, 9487365004), (4, 4743682502), (8, 2371841251), (13, 1459594616), (26, 729797308), (52, 364898654), (104, 182449327), (383, 49542376), (766, 24771188), (1532, 12385594), (3064, 6192797), (4979, 3810952), (9958, 1905476), (19916, 952738), (39832, 476369)]