19964934

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 53568000

約数和(自身を除く): 33603066

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 29, 33, 38, 54, 57, 58, 61, 66, 87, 99, 114, 122, 171, 174, 183, 198, 209, 261, 297, 319, 342, 366, 418, 513, 522, 549, 551, 594, 627, 638, 671, 783, 957, 1026, 1098, 1102, 1159, 1254, 1342, 1566, 1647, 1653, 1769, 1881, 1914, 2013, 2318, 2871, 3294, 3306, 3477, 3538, 3762, 4026, 4959, 5307, 5643, 5742, 6039, 6061, 6954, 8613, 9918, 10431, 10614, 11286, 12078, 12122, 12749, 14877, 15921, 17226, 18117, 18183, 19459, 20862, 25498, 29754, 31293, 31842, 33611, 36234, 36366, 38247, 38918, 47763, 54549, 58377, 62586, 67222, 76494, 95526, 100833, 109098, 114741, 116754, 163647, 175131, 201666, 229482, 302499, 327294, 344223, 350262, 369721, 525393, 604998, 688446, 739442, 907497, 1050786, 1109163, 1814994, 2218326, 3327489, 6654978, 9982467, 19964934]

約数ペア:

[(1, 19964934), (2, 9982467), (3, 6654978), (6, 3327489), (9, 2218326), (11, 1814994), (18, 1109163), (19, 1050786), (22, 907497), (27, 739442), (29, 688446), (33, 604998), (38, 525393), (54, 369721), (57, 350262), (58, 344223), (61, 327294), (66, 302499), (87, 229482), (99, 201666), (114, 175131), (122, 163647), (171, 116754), (174, 114741), (183, 109098), (198, 100833), (209, 95526), (261, 76494), (297, 67222), (319, 62586), (342, 58377), (366, 54549), (418, 47763), (513, 38918), (522, 38247), (549, 36366), (551, 36234), (594, 33611), (627, 31842), (638, 31293), (671, 29754), (783, 25498), (957, 20862), (1026, 19459), (1098, 18183), (1102, 18117), (1159, 17226), (1254, 15921), (1342, 14877), (1566, 12749), (1647, 12122), (1653, 12078), (1769, 11286), (1881, 10614), (1914, 10431), (2013, 9918), (2318, 8613), (2871, 6954), (3294, 6061), (3306, 6039), (3477, 5742), (3538, 5643), (3762, 5307), (4026, 4959)]