18789316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 22699964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1259, 2132, 2518, 3731, 5036, 7462, 8813, 14924, 16367, 17626, 32734, 35252, 51619, 65468, 103238, 114569, 206476, 229138, 361333, 458276, 671047, 722666, 1342094, 1445332, 2684188, 4697329, 9394658, 18789316]

約数ペア:

[(1, 18789316), (2, 9394658), (4, 4697329), (7, 2684188), (13, 1445332), (14, 1342094), (26, 722666), (28, 671047), (41, 458276), (52, 361333), (82, 229138), (91, 206476), (164, 114569), (182, 103238), (287, 65468), (364, 51619), (533, 35252), (574, 32734), (1066, 17626), (1148, 16367), (1259, 14924), (2132, 8813), (2518, 7462), (3731, 5036)]