19865482

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18744950

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 503, 637, 806, 1006, 1274, 1519, 2821, 3038, 3521, 5642, 6539, 7042, 13078, 15593, 19747, 24647, 31186, 39494, 45773, 49294, 91546, 109151, 202709, 218302, 320411, 405418, 640822, 764057, 1418963, 1528114, 2837926, 9932741, 19865482]

約数ペア:

[(1, 19865482), (2, 9932741), (7, 2837926), (13, 1528114), (14, 1418963), (26, 764057), (31, 640822), (49, 405418), (62, 320411), (91, 218302), (98, 202709), (182, 109151), (217, 91546), (403, 49294), (434, 45773), (503, 39494), (637, 31186), (806, 24647), (1006, 19747), (1274, 15593), (1519, 13078), (2821, 7042), (3038, 6539), (3521, 5642)]