2019095920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{10181}}^1$

素因数の和:10298

約数の個数: 80

約数和(自身を含む): 4893713568

約数和(自身を除く): 2874617648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 134, 148, 185, 268, 296, 335, 370, 536, 592, 670, 740, 1072, 1340, 1480, 2479, 2680, 2960, 4958, 5360, 9916, 10181, 12395, 19832, 20362, 24790, 39664, 40724, 49580, 50905, 81448, 99160, 101810, 162896, 198320, 203620, 376697, 407240, 682127, 753394, 814480, 1364254, 1506788, 1883485, 2728508, 3013576, 3410635, 3766970, 5457016, 6027152, 6821270, 7533940, 10914032, 13642540, 15067880, 25238699, 27285080, 30135760, 50477398, 54570160, 100954796, 126193495, 201909592, 252386990, 403819184, 504773980, 1009547960, 2019095920]

約数ペア:

[(1, 2019095920), (2, 1009547960), (4, 504773980), (5, 403819184), (8, 252386990), (10, 201909592), (16, 126193495), (20, 100954796), (37, 54570160), (40, 50477398), (67, 30135760), (74, 27285080), (80, 25238699), (134, 15067880), (148, 13642540), (185, 10914032), (268, 7533940), (296, 6821270), (335, 6027152), (370, 5457016), (536, 3766970), (592, 3410635), (670, 3013576), (740, 2728508), (1072, 1883485), (1340, 1506788), (1480, 1364254), (2479, 814480), (2680, 753394), (2960, 682127), (4958, 407240), (5360, 376697), (9916, 203620), (10181, 198320), (12395, 162896), (19832, 101810), (20362, 99160), (24790, 81448), (39664, 50905), (40724, 49580)]