18857748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2501

約数の個数: 72

約数和(自身を含む): 55144992

約数和(自身を除く): 36287244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2467, 2548, 3822, 4934, 7401, 7644, 9868, 14802, 17269, 29604, 32071, 34538, 51807, 64142, 69076, 96213, 103614, 120883, 128284, 192426, 207228, 224497, 241766, 362649, 384852, 448994, 483532, 673491, 725298, 897988, 1346982, 1450596, 1571479, 2693964, 3142958, 4714437, 6285916, 9428874, 18857748]

約数ペア:

[(1, 18857748), (2, 9428874), (3, 6285916), (4, 4714437), (6, 3142958), (7, 2693964), (12, 1571479), (13, 1450596), (14, 1346982), (21, 897988), (26, 725298), (28, 673491), (39, 483532), (42, 448994), (49, 384852), (52, 362649), (78, 241766), (84, 224497), (91, 207228), (98, 192426), (147, 128284), (156, 120883), (182, 103614), (196, 96213), (273, 69076), (294, 64142), (364, 51807), (546, 34538), (588, 32071), (637, 29604), (1092, 17269), (1274, 14802), (1911, 9868), (2467, 7644), (2548, 7401), (3822, 4934)]