18917951544

素因数分解:

$2^3\times 3^3\times {\mathrm{307}}^1\times {\mathrm{285287}}^1$

素因数の和:285609

約数の個数: 64

約数和(自身を含む): 52721222400

約数和(自身を除く): 33803270856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 307, 614, 921, 1228, 1842, 2456, 2763, 3684, 5526, 7368, 8289, 11052, 16578, 22104, 33156, 66312, 285287, 570574, 855861, 1141148, 1711722, 2282296, 2567583, 3423444, 5135166, 6846888, 7702749, 10270332, 15405498, 20540664, 30810996, 61621992, 87583109, 175166218, 262749327, 350332436, 525498654, 700664872, 788247981, 1050997308, 1576495962, 2101994616, 2364743943, 3152991924, 4729487886, 6305983848, 9458975772, 18917951544]

約数ペア:

[(1, 18917951544), (2, 9458975772), (3, 6305983848), (4, 4729487886), (6, 3152991924), (8, 2364743943), (9, 2101994616), (12, 1576495962), (18, 1050997308), (24, 788247981), (27, 700664872), (36, 525498654), (54, 350332436), (72, 262749327), (108, 175166218), (216, 87583109), (307, 61621992), (614, 30810996), (921, 20540664), (1228, 15405498), (1842, 10270332), (2456, 7702749), (2763, 6846888), (3684, 5135166), (5526, 3423444), (7368, 2567583), (8289, 2282296), (11052, 1711722), (16578, 1141148), (22104, 855861), (33156, 570574), (66312, 285287)]