18813816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 62438400

約数和(自身を除く): 43624584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 252, 276, 322, 378, 414, 483, 504, 541, 552, 621, 644, 756, 828, 966, 1082, 1242, 1288, 1449, 1512, 1623, 1656, 1932, 2164, 2484, 2898, 3246, 3787, 3864, 4328, 4347, 4869, 4968, 5796, 6492, 7574, 8694, 9738, 11361, 11592, 12443, 12984, 14607, 15148, 17388, 19476, 22722, 24886, 29214, 30296, 34083, 34776, 37329, 38952, 45444, 49772, 58428, 68166, 74658, 87101, 90888, 99544, 102249, 111987, 116856, 136332, 149316, 174202, 204498, 223974, 261303, 272664, 298632, 335961, 348404, 408996, 447948, 522606, 671922, 696808, 783909, 817992, 895896, 1045212, 1343844, 1567818, 2090424, 2351727, 2687688, 3135636, 4703454, 6271272, 9406908, 18813816]

約数ペア:

[(1, 18813816), (2, 9406908), (3, 6271272), (4, 4703454), (6, 3135636), (7, 2687688), (8, 2351727), (9, 2090424), (12, 1567818), (14, 1343844), (18, 1045212), (21, 895896), (23, 817992), (24, 783909), (27, 696808), (28, 671922), (36, 522606), (42, 447948), (46, 408996), (54, 348404), (56, 335961), (63, 298632), (69, 272664), (72, 261303), (84, 223974), (92, 204498), (108, 174202), (126, 149316), (138, 136332), (161, 116856), (168, 111987), (184, 102249), (189, 99544), (207, 90888), (216, 87101), (252, 74658), (276, 68166), (322, 58428), (378, 49772), (414, 45444), (483, 38952), (504, 37329), (541, 34776), (552, 34083), (621, 30296), (644, 29214), (756, 24886), (828, 22722), (966, 19476), (1082, 17388), (1242, 15148), (1288, 14607), (1449, 12984), (1512, 12443), (1623, 11592), (1656, 11361), (1932, 9738), (2164, 8694), (2484, 7574), (2898, 6492), (3246, 5796), (3787, 4968), (3864, 4869), (4328, 4347)]