1878742192

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 4039362000

約数和(自身を除く): 2160619808

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 59, 74, 76, 118, 148, 149, 152, 236, 296, 298, 304, 361, 472, 592, 596, 703, 722, 944, 1121, 1192, 1406, 1444, 2183, 2242, 2384, 2812, 2831, 2888, 4366, 4484, 5513, 5624, 5662, 5776, 8732, 8791, 8968, 11026, 11248, 11324, 13357, 17464, 17582, 17936, 21299, 22052, 22648, 26714, 34928, 35164, 41477, 42598, 44104, 45296, 53428, 53789, 70328, 82954, 85196, 88208, 104747, 106856, 107578, 140656, 165908, 167029, 170392, 209494, 213712, 215156, 325267, 331816, 334058, 340784, 418988, 430312, 650534, 663632, 668116, 788063, 837976, 860624, 1301068, 1336232, 1576126, 1675952, 1990193, 2602136, 2672464, 3152252, 3173551, 3980386, 5204272, 6180073, 6304504, 6347102, 7960772, 12360146, 12609008, 12694204, 15921544, 24720292, 25388408, 31843088, 49440584, 50776816, 98881168, 117421387, 234842774, 469685548, 939371096, 1878742192]

約数ペア:

[(1, 1878742192), (2, 939371096), (4, 469685548), (8, 234842774), (16, 117421387), (19, 98881168), (37, 50776816), (38, 49440584), (59, 31843088), (74, 25388408), (76, 24720292), (118, 15921544), (148, 12694204), (149, 12609008), (152, 12360146), (236, 7960772), (296, 6347102), (298, 6304504), (304, 6180073), (361, 5204272), (472, 3980386), (592, 3173551), (596, 3152252), (703, 2672464), (722, 2602136), (944, 1990193), (1121, 1675952), (1192, 1576126), (1406, 1336232), (1444, 1301068), (2183, 860624), (2242, 837976), (2384, 788063), (2812, 668116), (2831, 663632), (2888, 650534), (4366, 430312), (4484, 418988), (5513, 340784), (5624, 334058), (5662, 331816), (5776, 325267), (8732, 215156), (8791, 213712), (8968, 209494), (11026, 170392), (11248, 167029), (11324, 165908), (13357, 140656), (17464, 107578), (17582, 106856), (17936, 104747), (21299, 88208), (22052, 85196), (22648, 82954), (26714, 70328), (34928, 53789), (35164, 53428), (41477, 45296), (42598, 44104)]