18949476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 57736896

約数和(自身を除く): 38787420

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 49, 52, 67, 74, 78, 84, 91, 98, 111, 134, 147, 148, 156, 182, 196, 201, 222, 259, 268, 273, 294, 364, 402, 444, 469, 481, 518, 546, 588, 637, 777, 804, 871, 938, 962, 1036, 1092, 1274, 1407, 1443, 1554, 1742, 1813, 1876, 1911, 1924, 2479, 2548, 2613, 2814, 2886, 3108, 3283, 3367, 3484, 3626, 3822, 4958, 5226, 5439, 5628, 5772, 6097, 6566, 6734, 7252, 7437, 7644, 9849, 9916, 10101, 10452, 10878, 12194, 13132, 13468, 14874, 17353, 18291, 19698, 20202, 21756, 23569, 24388, 29748, 32227, 34706, 36582, 39396, 40404, 42679, 47138, 52059, 64454, 69412, 70707, 73164, 85358, 94276, 96681, 104118, 121471, 128037, 128908, 141414, 170716, 193362, 208236, 225589, 242942, 256074, 282828, 364413, 386724, 451178, 485884, 512148, 676767, 728826, 902356, 1353534, 1457652, 1579123, 2707068, 3158246, 4737369, 6316492, 9474738, 18949476]

約数ペア:

[(1, 18949476), (2, 9474738), (3, 6316492), (4, 4737369), (6, 3158246), (7, 2707068), (12, 1579123), (13, 1457652), (14, 1353534), (21, 902356), (26, 728826), (28, 676767), (37, 512148), (39, 485884), (42, 451178), (49, 386724), (52, 364413), (67, 282828), (74, 256074), (78, 242942), (84, 225589), (91, 208236), (98, 193362), (111, 170716), (134, 141414), (147, 128908), (148, 128037), (156, 121471), (182, 104118), (196, 96681), (201, 94276), (222, 85358), (259, 73164), (268, 70707), (273, 69412), (294, 64454), (364, 52059), (402, 47138), (444, 42679), (469, 40404), (481, 39396), (518, 36582), (546, 34706), (588, 32227), (637, 29748), (777, 24388), (804, 23569), (871, 21756), (938, 20202), (962, 19698), (1036, 18291), (1092, 17353), (1274, 14874), (1407, 13468), (1443, 13132), (1554, 12194), (1742, 10878), (1813, 10452), (1876, 10101), (1911, 9916), (1924, 9849), (2479, 7644), (2548, 7437), (2613, 7252), (2814, 6734), (2886, 6566), (3108, 6097), (3283, 5772), (3367, 5628), (3484, 5439), (3626, 5226), (3822, 4958)]