18888921765

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1123}}^1$

素因数の和:1513

約数の個数: 160

約数和(自身を含む): 41127609600

約数和(自身を除く): 22238687835

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 153, 189, 255, 315, 349, 357, 405, 459, 567, 595, 765, 945, 1047, 1071, 1123, 1377, 1745, 1785, 2295, 2443, 2835, 3141, 3213, 3369, 5235, 5355, 5615, 5933, 6885, 7329, 7861, 9423, 9639, 10107, 12215, 15705, 16065, 16845, 17799, 19091, 21987, 23583, 28269, 29665, 30321, 36645, 39305, 41531, 47115, 48195, 50535, 53397, 57273, 65961, 70749, 88995, 90963, 95455, 109935, 117915, 124593, 133637, 141345, 151605, 160191, 171819, 197883, 207655, 212247, 266985, 286365, 329805, 353745, 373779, 391927, 400911, 454815, 480573, 515457, 622965, 636741, 668185, 800955, 859095, 989415, 1061235, 1121337, 1175781, 1202733, 1546371, 1868895, 1959635, 2004555, 2402865, 2577285, 2743489, 3183705, 3364011, 3527343, 3608199, 5606685, 5878905, 6013665, 6662759, 7731855, 8230467, 10582029, 10824597, 13717445, 16820055, 17636715, 18040995, 19988277, 24691401, 31746087, 33313795, 41152335, 46639313, 52910145, 54122985, 59964831, 74074203, 99941385, 123457005, 139917939, 158730435, 179894493, 222222609, 233196565, 299824155, 370371015, 419753817, 539683479, 699589695, 899472465, 1111113045, 1259261451, 2098769085, 2698417395, 3777784353, 6296307255, 18888921765]

約数ペア:

[(1, 18888921765), (3, 6296307255), (5, 3777784353), (7, 2698417395), (9, 2098769085), (15, 1259261451), (17, 1111113045), (21, 899472465), (27, 699589695), (35, 539683479), (45, 419753817), (51, 370371015), (63, 299824155), (81, 233196565), (85, 222222609), (105, 179894493), (119, 158730435), (135, 139917939), (153, 123457005), (189, 99941385), (255, 74074203), (315, 59964831), (349, 54122985), (357, 52910145), (405, 46639313), (459, 41152335), (567, 33313795), (595, 31746087), (765, 24691401), (945, 19988277), (1047, 18040995), (1071, 17636715), (1123, 16820055), (1377, 13717445), (1745, 10824597), (1785, 10582029), (2295, 8230467), (2443, 7731855), (2835, 6662759), (3141, 6013665), (3213, 5878905), (3369, 5606685), (5235, 3608199), (5355, 3527343), (5615, 3364011), (5933, 3183705), (6885, 2743489), (7329, 2577285), (7861, 2402865), (9423, 2004555), (9639, 1959635), (10107, 1868895), (12215, 1546371), (15705, 1202733), (16065, 1175781), (16845, 1121337), (17799, 1061235), (19091, 989415), (21987, 859095), (23583, 800955), (28269, 668185), (29665, 636741), (30321, 622965), (36645, 515457), (39305, 480573), (41531, 454815), (47115, 400911), (48195, 391927), (50535, 373779), (53397, 353745), (57273, 329805), (65961, 286365), (70749, 266985), (88995, 212247), (90963, 207655), (95455, 197883), (109935, 171819), (117915, 160191), (124593, 151605), (133637, 141345)]