18931972520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:867

約数の個数: 128

約数和(自身を含む): 44943724800

約数和(自身を除く): 26011752280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 227, 230, 269, 337, 454, 460, 538, 674, 908, 920, 1076, 1135, 1345, 1348, 1685, 1816, 2152, 2270, 2690, 2696, 3370, 4540, 5221, 5380, 6187, 6740, 7751, 9080, 10442, 10760, 12374, 13480, 15502, 20884, 24748, 26105, 30935, 31004, 38755, 41768, 49496, 52210, 61063, 61870, 62008, 76499, 77510, 90653, 104420, 122126, 123740, 152998, 155020, 181306, 208840, 244252, 247480, 305315, 305996, 310040, 362612, 382495, 453265, 488504, 610630, 611992, 725224, 764990, 906530, 1221260, 1404449, 1529980, 1759477, 1813060, 2085019, 2442520, 2808898, 3059960, 3518954, 3626120, 4170038, 5617796, 7022245, 7037908, 8340076, 8797385, 10425095, 11235592, 14044490, 14075816, 16680152, 17594770, 20578231, 20850190, 28088980, 35189540, 41156462, 41700380, 56177960, 70379080, 82312924, 83400760, 102891155, 164625848, 205782310, 411564620, 473299313, 823129240, 946598626, 1893197252, 2366496565, 3786394504, 4732993130, 9465986260, 18931972520]

約数ペア:

[(1, 18931972520), (2, 9465986260), (4, 4732993130), (5, 3786394504), (8, 2366496565), (10, 1893197252), (20, 946598626), (23, 823129240), (40, 473299313), (46, 411564620), (92, 205782310), (115, 164625848), (184, 102891155), (227, 83400760), (230, 82312924), (269, 70379080), (337, 56177960), (454, 41700380), (460, 41156462), (538, 35189540), (674, 28088980), (908, 20850190), (920, 20578231), (1076, 17594770), (1135, 16680152), (1345, 14075816), (1348, 14044490), (1685, 11235592), (1816, 10425095), (2152, 8797385), (2270, 8340076), (2690, 7037908), (2696, 7022245), (3370, 5617796), (4540, 4170038), (5221, 3626120), (5380, 3518954), (6187, 3059960), (6740, 2808898), (7751, 2442520), (9080, 2085019), (10442, 1813060), (10760, 1759477), (12374, 1529980), (13480, 1404449), (15502, 1221260), (20884, 906530), (24748, 764990), (26105, 725224), (30935, 611992), (31004, 610630), (38755, 488504), (41768, 453265), (49496, 382495), (52210, 362612), (61063, 310040), (61870, 305996), (62008, 305315), (76499, 247480), (77510, 244252), (90653, 208840), (104420, 181306), (122126, 155020), (123740, 152998)]