18008865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 23463135

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 59, 63, 85, 95, 105, 119, 133, 135, 153, 171, 177, 189, 255, 285, 295, 315, 323, 357, 399, 413, 459, 513, 531, 595, 665, 765, 855, 885, 945, 969, 1003, 1071, 1121, 1197, 1239, 1593, 1615, 1785, 1995, 2065, 2261, 2295, 2565, 2655, 2907, 3009, 3213, 3363, 3591, 3717, 4845, 5015, 5355, 5605, 5985, 6195, 6783, 7021, 7847, 7965, 8721, 9027, 10089, 11151, 11305, 14535, 15045, 16065, 16815, 17955, 18585, 19057, 20349, 21063, 23541, 27081, 30267, 33915, 35105, 39235, 43605, 45135, 50445, 55755, 57171, 61047, 63189, 70623, 95285, 101745, 105315, 117705, 133399, 135405, 151335, 171513, 189567, 211869, 285855, 305235, 315945, 353115, 400197, 514539, 666995, 857565, 947835, 1059345, 1200591, 2000985, 2572695, 3601773, 6002955, 18008865]

約数ペア:

[(1, 18008865), (3, 6002955), (5, 3601773), (7, 2572695), (9, 2000985), (15, 1200591), (17, 1059345), (19, 947835), (21, 857565), (27, 666995), (35, 514539), (45, 400197), (51, 353115), (57, 315945), (59, 305235), (63, 285855), (85, 211869), (95, 189567), (105, 171513), (119, 151335), (133, 135405), (135, 133399), (153, 117705), (171, 105315), (177, 101745), (189, 95285), (255, 70623), (285, 63189), (295, 61047), (315, 57171), (323, 55755), (357, 50445), (399, 45135), (413, 43605), (459, 39235), (513, 35105), (531, 33915), (595, 30267), (665, 27081), (765, 23541), (855, 21063), (885, 20349), (945, 19057), (969, 18585), (1003, 17955), (1071, 16815), (1121, 16065), (1197, 15045), (1239, 14535), (1593, 11305), (1615, 11151), (1785, 10089), (1995, 9027), (2065, 8721), (2261, 7965), (2295, 7847), (2565, 7021), (2655, 6783), (2907, 6195), (3009, 5985), (3213, 5605), (3363, 5355), (3591, 5015), (3717, 4845)]