19874976

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 60328800

約数和(自身を除く): 40453824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 32, 33, 44, 48, 58, 59, 66, 87, 88, 96, 116, 118, 121, 132, 174, 176, 177, 232, 236, 242, 264, 319, 348, 352, 354, 363, 464, 472, 484, 528, 638, 649, 696, 708, 726, 928, 944, 957, 968, 1056, 1276, 1298, 1392, 1416, 1452, 1711, 1888, 1914, 1936, 1947, 2552, 2596, 2784, 2832, 2904, 3422, 3509, 3828, 3872, 3894, 5104, 5133, 5192, 5664, 5808, 6844, 7018, 7139, 7656, 7788, 10208, 10266, 10384, 10527, 11616, 13688, 14036, 14278, 15312, 15576, 18821, 20532, 20768, 21054, 21417, 27376, 28072, 28556, 30624, 31152, 37642, 41064, 42108, 42834, 54752, 56144, 56463, 57112, 62304, 75284, 82128, 84216, 85668, 112288, 112926, 114224, 150568, 164256, 168432, 171336, 207031, 225852, 228448, 301136, 336864, 342672, 414062, 451704, 602272, 621093, 685344, 828124, 903408, 1242186, 1656248, 1806816, 2484372, 3312496, 4968744, 6624992, 9937488, 19874976]

約数ペア:

[(1, 19874976), (2, 9937488), (3, 6624992), (4, 4968744), (6, 3312496), (8, 2484372), (11, 1806816), (12, 1656248), (16, 1242186), (22, 903408), (24, 828124), (29, 685344), (32, 621093), (33, 602272), (44, 451704), (48, 414062), (58, 342672), (59, 336864), (66, 301136), (87, 228448), (88, 225852), (96, 207031), (116, 171336), (118, 168432), (121, 164256), (132, 150568), (174, 114224), (176, 112926), (177, 112288), (232, 85668), (236, 84216), (242, 82128), (264, 75284), (319, 62304), (348, 57112), (352, 56463), (354, 56144), (363, 54752), (464, 42834), (472, 42108), (484, 41064), (528, 37642), (638, 31152), (649, 30624), (696, 28556), (708, 28072), (726, 27376), (928, 21417), (944, 21054), (957, 20768), (968, 20532), (1056, 18821), (1276, 15576), (1298, 15312), (1392, 14278), (1416, 14036), (1452, 13688), (1711, 11616), (1888, 10527), (1914, 10384), (1936, 10266), (1947, 10208), (2552, 7788), (2596, 7656), (2784, 7139), (2832, 7018), (2904, 6844), (3422, 5808), (3509, 5664), (3828, 5192), (3872, 5133), (3894, 5104)]