18975744

素因数分解:

$2^{10}\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 132

約数和(自身を含む): 57479760

約数和(自身を除く): 38504016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 71, 72, 87, 96, 116, 128, 142, 144, 174, 192, 213, 232, 256, 261, 284, 288, 348, 384, 426, 464, 512, 522, 568, 576, 639, 696, 768, 852, 928, 1024, 1044, 1136, 1152, 1278, 1392, 1536, 1704, 1856, 2059, 2088, 2272, 2304, 2556, 2784, 3072, 3408, 3712, 4118, 4176, 4544, 4608, 5112, 5568, 6177, 6816, 7424, 8236, 8352, 9088, 9216, 10224, 11136, 12354, 13632, 14848, 16472, 16704, 18176, 18531, 20448, 22272, 24708, 27264, 29696, 32944, 33408, 36352, 37062, 40896, 44544, 49416, 54528, 65888, 66816, 72704, 74124, 81792, 89088, 98832, 109056, 131776, 133632, 148248, 163584, 197664, 218112, 263552, 267264, 296496, 327168, 395328, 527104, 592992, 654336, 790656, 1054208, 1185984, 1581312, 2108416, 2371968, 3162624, 4743936, 6325248, 9487872, 18975744]

約数ペア:

[(1, 18975744), (2, 9487872), (3, 6325248), (4, 4743936), (6, 3162624), (8, 2371968), (9, 2108416), (12, 1581312), (16, 1185984), (18, 1054208), (24, 790656), (29, 654336), (32, 592992), (36, 527104), (48, 395328), (58, 327168), (64, 296496), (71, 267264), (72, 263552), (87, 218112), (96, 197664), (116, 163584), (128, 148248), (142, 133632), (144, 131776), (174, 109056), (192, 98832), (213, 89088), (232, 81792), (256, 74124), (261, 72704), (284, 66816), (288, 65888), (348, 54528), (384, 49416), (426, 44544), (464, 40896), (512, 37062), (522, 36352), (568, 33408), (576, 32944), (639, 29696), (696, 27264), (768, 24708), (852, 22272), (928, 20448), (1024, 18531), (1044, 18176), (1136, 16704), (1152, 16472), (1278, 14848), (1392, 13632), (1536, 12354), (1704, 11136), (1856, 10224), (2059, 9216), (2088, 9088), (2272, 8352), (2304, 8236), (2556, 7424), (2784, 6816), (3072, 6177), (3408, 5568), (3712, 5112), (4118, 4608), (4176, 4544)]