2019988828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 4235716800

約数和(自身を除く): 2215727972

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 149, 173, 274, 286, 298, 346, 548, 572, 596, 692, 1507, 1639, 1781, 1903, 1937, 2249, 3014, 3278, 3562, 3806, 3874, 4498, 6028, 6556, 7124, 7612, 7748, 8996, 19591, 20413, 21307, 23701, 24739, 25777, 39182, 40826, 42614, 47402, 49478, 51554, 78364, 81652, 85228, 94804, 98956, 103108, 224543, 260711, 265369, 283547, 308113, 335101, 449086, 521422, 530738, 567094, 616226, 670202, 898172, 1042844, 1061476, 1134188, 1232452, 1340404, 2919059, 3389243, 3531449, 3686111, 5838118, 6778486, 7062898, 7372222, 11676236, 13556972, 14125796, 14744444, 38845939, 45908837, 77691878, 91817674, 155383756, 183635348, 504997207, 1009994414, 2019988828]

約数ペア:

[(1, 2019988828), (2, 1009994414), (4, 504997207), (11, 183635348), (13, 155383756), (22, 91817674), (26, 77691878), (44, 45908837), (52, 38845939), (137, 14744444), (143, 14125796), (149, 13556972), (173, 11676236), (274, 7372222), (286, 7062898), (298, 6778486), (346, 5838118), (548, 3686111), (572, 3531449), (596, 3389243), (692, 2919059), (1507, 1340404), (1639, 1232452), (1781, 1134188), (1903, 1061476), (1937, 1042844), (2249, 898172), (3014, 670202), (3278, 616226), (3562, 567094), (3806, 530738), (3874, 521422), (4498, 449086), (6028, 335101), (6556, 308113), (7124, 283547), (7612, 265369), (7748, 260711), (8996, 224543), (19591, 103108), (20413, 98956), (21307, 94804), (23701, 85228), (24739, 81652), (25777, 78364), (39182, 51554), (40826, 49478), (42614, 47402)]