19865836944

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{86711}}^1$

素因数の和:86805

約数の個数: 120

約数和(自身を含む): 58427932992

約数和(自身を除く): 38562096048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 43, 48, 72, 74, 86, 111, 129, 144, 148, 172, 222, 258, 296, 333, 344, 387, 444, 516, 592, 666, 688, 774, 888, 1032, 1332, 1548, 1591, 1776, 2064, 2664, 3096, 3182, 4773, 5328, 6192, 6364, 9546, 12728, 14319, 19092, 25456, 28638, 38184, 57276, 76368, 86711, 114552, 173422, 229104, 260133, 346844, 520266, 693688, 780399, 1040532, 1387376, 1560798, 2081064, 3121596, 3208307, 3728573, 4162128, 6243192, 6416614, 7457146, 9624921, 11185719, 12486384, 12833228, 14914292, 19249842, 22371438, 25666456, 28874763, 29828584, 33557157, 38499684, 44742876, 51332912, 57749526, 59657168, 67114314, 76999368, 89485752, 115499052, 134228628, 137957201, 153998736, 178971504, 230998104, 268457256, 275914402, 413871603, 461996208, 536914512, 551828804, 827743206, 1103657608, 1241614809, 1655486412, 2207315216, 2483229618, 3310972824, 4966459236, 6621945648, 9932918472, 19865836944]

約数ペア:

[(1, 19865836944), (2, 9932918472), (3, 6621945648), (4, 4966459236), (6, 3310972824), (8, 2483229618), (9, 2207315216), (12, 1655486412), (16, 1241614809), (18, 1103657608), (24, 827743206), (36, 551828804), (37, 536914512), (43, 461996208), (48, 413871603), (72, 275914402), (74, 268457256), (86, 230998104), (111, 178971504), (129, 153998736), (144, 137957201), (148, 134228628), (172, 115499052), (222, 89485752), (258, 76999368), (296, 67114314), (333, 59657168), (344, 57749526), (387, 51332912), (444, 44742876), (516, 38499684), (592, 33557157), (666, 29828584), (688, 28874763), (774, 25666456), (888, 22371438), (1032, 19249842), (1332, 14914292), (1548, 12833228), (1591, 12486384), (1776, 11185719), (2064, 9624921), (2664, 7457146), (3096, 6416614), (3182, 6243192), (4773, 4162128), (5328, 3728573), (6192, 3208307), (6364, 3121596), (9546, 2081064), (12728, 1560798), (14319, 1387376), (19092, 1040532), (25456, 780399), (28638, 693688), (38184, 520266), (57276, 346844), (76368, 260133), (86711, 229104), (114552, 173422)]