19103804960

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1954

約数の個数: 96

約数和(自身を含む): 45485193600

約数和(自身を除く): 26381388640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 439, 844, 878, 1055, 1289, 1688, 1756, 2110, 2195, 2578, 3376, 3512, 4220, 4390, 5156, 6445, 6752, 7024, 8440, 8780, 10312, 12890, 14048, 16880, 17560, 20624, 25780, 33760, 35120, 41248, 51560, 70240, 92629, 103120, 185258, 206240, 271979, 370516, 463145, 543958, 565871, 741032, 926290, 1087916, 1131742, 1359895, 1482064, 1852580, 2175832, 2263484, 2719790, 2829355, 2964128, 3705160, 4351664, 4526968, 5439580, 5658710, 7410320, 8703328, 9053936, 10879160, 11317420, 14820640, 18107872, 21758320, 22634840, 43516640, 45269680, 90539360, 119398781, 238797562, 477595124, 596993905, 955190248, 1193987810, 1910380496, 2387975620, 3820760992, 4775951240, 9551902480, 19103804960]

約数ペア:

[(1, 19103804960), (2, 9551902480), (4, 4775951240), (5, 3820760992), (8, 2387975620), (10, 1910380496), (16, 1193987810), (20, 955190248), (32, 596993905), (40, 477595124), (80, 238797562), (160, 119398781), (211, 90539360), (422, 45269680), (439, 43516640), (844, 22634840), (878, 21758320), (1055, 18107872), (1289, 14820640), (1688, 11317420), (1756, 10879160), (2110, 9053936), (2195, 8703328), (2578, 7410320), (3376, 5658710), (3512, 5439580), (4220, 4526968), (4390, 4351664), (5156, 3705160), (6445, 2964128), (6752, 2829355), (7024, 2719790), (8440, 2263484), (8780, 2175832), (10312, 1852580), (12890, 1482064), (14048, 1359895), (16880, 1131742), (17560, 1087916), (20624, 926290), (25780, 741032), (33760, 565871), (35120, 543958), (41248, 463145), (51560, 370516), (70240, 271979), (92629, 206240), (103120, 185258)]