19494566

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 18825562

約数列:

[1, 2, 7, 13, 14, 26, 43, 47, 53, 86, 91, 94, 106, 182, 301, 329, 371, 559, 602, 611, 658, 689, 742, 1118, 1222, 1378, 2021, 2279, 2491, 3913, 4042, 4277, 4558, 4823, 4982, 7826, 8554, 9646, 14147, 15953, 17437, 26273, 28294, 29627, 31906, 32383, 34874, 52546, 59254, 64766, 107113, 183911, 207389, 214226, 226681, 367822, 414778, 453362, 749791, 1392469, 1499582, 2784938, 9747283, 19494566]

約数ペア:

[(1, 19494566), (2, 9747283), (7, 2784938), (13, 1499582), (14, 1392469), (26, 749791), (43, 453362), (47, 414778), (53, 367822), (86, 226681), (91, 214226), (94, 207389), (106, 183911), (182, 107113), (301, 64766), (329, 59254), (371, 52546), (559, 34874), (602, 32383), (611, 31906), (658, 29627), (689, 28294), (742, 26273), (1118, 17437), (1222, 15953), (1378, 14147), (2021, 9646), (2279, 8554), (2491, 7826), (3913, 4982), (4042, 4823), (4277, 4558)]