19860282

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 50064000

約数和(自身を除く): 30203718

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1489, 2223, 2978, 4446, 4467, 6669, 8934, 13338, 13401, 19357, 26802, 28291, 38714, 40203, 56582, 58071, 80406, 84873, 116142, 169746, 174213, 254619, 348426, 367783, 509238, 522639, 735566, 763857, 1045278, 1103349, 1527714, 2206698, 3310047, 6620094, 9930141, 19860282]

約数ペア:

[(1, 19860282), (2, 9930141), (3, 6620094), (6, 3310047), (9, 2206698), (13, 1527714), (18, 1103349), (19, 1045278), (26, 763857), (27, 735566), (38, 522639), (39, 509238), (54, 367783), (57, 348426), (78, 254619), (114, 174213), (117, 169746), (171, 116142), (234, 84873), (247, 80406), (342, 58071), (351, 56582), (494, 40203), (513, 38714), (702, 28291), (741, 26802), (1026, 19357), (1482, 13401), (1489, 13338), (2223, 8934), (2978, 6669), (4446, 4467)]