18634781836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2215

約数の個数: 96

約数和(自身を含む): 37701780480

約数和(自身を除く): 19066998644

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 71, 103, 116, 142, 206, 284, 319, 412, 638, 781, 1133, 1276, 1562, 1997, 2059, 2266, 2987, 3124, 3994, 4118, 4532, 5974, 7313, 7988, 8236, 11948, 14626, 21967, 22649, 29252, 32857, 43934, 45298, 57913, 65714, 80443, 87868, 90596, 115826, 131428, 141787, 160886, 205691, 212077, 231652, 283574, 321772, 411382, 424154, 567148, 637043, 822764, 848308, 1274086, 1559657, 2262601, 2332847, 2548172, 3119314, 4111823, 4525202, 4665694, 5965039, 6238628, 8223646, 9050404, 9331388, 11930078, 14604061, 16447292, 23860156, 29208122, 45230053, 58416244, 65615429, 90460106, 131230858, 160644671, 180920212, 262461716, 321289342, 423517769, 642578684, 847035538, 1694071076, 4658695459, 9317390918, 18634781836]

約数ペア:

[(1, 18634781836), (2, 9317390918), (4, 4658695459), (11, 1694071076), (22, 847035538), (29, 642578684), (44, 423517769), (58, 321289342), (71, 262461716), (103, 180920212), (116, 160644671), (142, 131230858), (206, 90460106), (284, 65615429), (319, 58416244), (412, 45230053), (638, 29208122), (781, 23860156), (1133, 16447292), (1276, 14604061), (1562, 11930078), (1997, 9331388), (2059, 9050404), (2266, 8223646), (2987, 6238628), (3124, 5965039), (3994, 4665694), (4118, 4525202), (4532, 4111823), (5974, 3119314), (7313, 2548172), (7988, 2332847), (8236, 2262601), (11948, 1559657), (14626, 1274086), (21967, 848308), (22649, 822764), (29252, 637043), (32857, 567148), (43934, 424154), (45298, 411382), (57913, 321772), (65714, 283574), (80443, 231652), (87868, 212077), (90596, 205691), (115826, 160886), (131428, 141787)]