18886896

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 62016864

約数和(自身を除く): 43129968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 457, 492, 504, 574, 656, 738, 861, 914, 984, 1008, 1148, 1371, 1476, 1722, 1828, 1968, 2296, 2583, 2742, 2952, 3199, 3444, 3656, 4113, 4592, 5166, 5484, 5904, 6398, 6888, 7312, 8226, 9597, 10332, 10968, 12796, 13776, 16452, 18737, 19194, 20664, 21936, 25592, 28791, 32904, 37474, 38388, 41328, 51184, 56211, 57582, 65808, 74948, 76776, 112422, 115164, 131159, 149896, 153552, 168633, 224844, 230328, 262318, 299792, 337266, 393477, 449688, 460656, 524636, 674532, 786954, 899376, 1049272, 1180431, 1349064, 1573908, 2098544, 2360862, 2698128, 3147816, 4721724, 6295632, 9443448, 18886896]

約数ペア:

[(1, 18886896), (2, 9443448), (3, 6295632), (4, 4721724), (6, 3147816), (7, 2698128), (8, 2360862), (9, 2098544), (12, 1573908), (14, 1349064), (16, 1180431), (18, 1049272), (21, 899376), (24, 786954), (28, 674532), (36, 524636), (41, 460656), (42, 449688), (48, 393477), (56, 337266), (63, 299792), (72, 262318), (82, 230328), (84, 224844), (112, 168633), (123, 153552), (126, 149896), (144, 131159), (164, 115164), (168, 112422), (246, 76776), (252, 74948), (287, 65808), (328, 57582), (336, 56211), (369, 51184), (457, 41328), (492, 38388), (504, 37474), (574, 32904), (656, 28791), (738, 25592), (861, 21936), (914, 20664), (984, 19194), (1008, 18737), (1148, 16452), (1371, 13776), (1476, 12796), (1722, 10968), (1828, 10332), (1968, 9597), (2296, 8226), (2583, 7312), (2742, 6888), (2952, 6398), (3199, 5904), (3444, 5484), (3656, 5166), (4113, 4592)]