19811088

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 120

約数和(自身を含む): 62669600

約数和(自身を除く): 42858512

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 297, 363, 379, 396, 432, 484, 528, 594, 726, 758, 792, 968, 1089, 1137, 1188, 1452, 1516, 1584, 1936, 2178, 2274, 2376, 2904, 3032, 3267, 3411, 4169, 4356, 4548, 4752, 5808, 6064, 6534, 6822, 8338, 8712, 9096, 10233, 12507, 13068, 13644, 16676, 17424, 18192, 20466, 25014, 26136, 27288, 33352, 37521, 40932, 45859, 50028, 52272, 54576, 66704, 75042, 81864, 91718, 100056, 112563, 137577, 150084, 163728, 183436, 200112, 225126, 275154, 300168, 366872, 412731, 450252, 550308, 600336, 733744, 825462, 900504, 1100616, 1238193, 1650924, 1801008, 2201232, 2476386, 3301848, 4952772, 6603696, 9905544, 19811088]

約数ペア:

[(1, 19811088), (2, 9905544), (3, 6603696), (4, 4952772), (6, 3301848), (8, 2476386), (9, 2201232), (11, 1801008), (12, 1650924), (16, 1238193), (18, 1100616), (22, 900504), (24, 825462), (27, 733744), (33, 600336), (36, 550308), (44, 450252), (48, 412731), (54, 366872), (66, 300168), (72, 275154), (88, 225126), (99, 200112), (108, 183436), (121, 163728), (132, 150084), (144, 137577), (176, 112563), (198, 100056), (216, 91718), (242, 81864), (264, 75042), (297, 66704), (363, 54576), (379, 52272), (396, 50028), (432, 45859), (484, 40932), (528, 37521), (594, 33352), (726, 27288), (758, 26136), (792, 25014), (968, 20466), (1089, 18192), (1137, 17424), (1188, 16676), (1452, 13644), (1516, 13068), (1584, 12507), (1936, 10233), (2178, 9096), (2274, 8712), (2376, 8338), (2904, 6822), (3032, 6534), (3267, 6064), (3411, 5808), (4169, 4752), (4356, 4548)]