19657728

素因数分解:

$2^{10}\times 3^5\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 132

約数和(自身を含む): 59608640

約数和(自身を除く): 39950912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 128, 144, 158, 162, 192, 216, 237, 243, 256, 288, 316, 324, 384, 432, 474, 486, 512, 576, 632, 648, 711, 768, 864, 948, 972, 1024, 1152, 1264, 1296, 1422, 1536, 1728, 1896, 1944, 2133, 2304, 2528, 2592, 2844, 3072, 3456, 3792, 3888, 4266, 4608, 5056, 5184, 5688, 6399, 6912, 7584, 7776, 8532, 9216, 10112, 10368, 11376, 12798, 13824, 15168, 15552, 17064, 19197, 20224, 20736, 22752, 25596, 27648, 30336, 31104, 34128, 38394, 40448, 41472, 45504, 51192, 60672, 62208, 68256, 76788, 80896, 82944, 91008, 102384, 121344, 124416, 136512, 153576, 182016, 204768, 242688, 248832, 273024, 307152, 364032, 409536, 546048, 614304, 728064, 819072, 1092096, 1228608, 1638144, 2184192, 2457216, 3276288, 4914432, 6552576, 9828864, 19657728]

約数ペア:

[(1, 19657728), (2, 9828864), (3, 6552576), (4, 4914432), (6, 3276288), (8, 2457216), (9, 2184192), (12, 1638144), (16, 1228608), (18, 1092096), (24, 819072), (27, 728064), (32, 614304), (36, 546048), (48, 409536), (54, 364032), (64, 307152), (72, 273024), (79, 248832), (81, 242688), (96, 204768), (108, 182016), (128, 153576), (144, 136512), (158, 124416), (162, 121344), (192, 102384), (216, 91008), (237, 82944), (243, 80896), (256, 76788), (288, 68256), (316, 62208), (324, 60672), (384, 51192), (432, 45504), (474, 41472), (486, 40448), (512, 38394), (576, 34128), (632, 31104), (648, 30336), (711, 27648), (768, 25596), (864, 22752), (948, 20736), (972, 20224), (1024, 19197), (1152, 17064), (1264, 15552), (1296, 15168), (1422, 13824), (1536, 12798), (1728, 11376), (1896, 10368), (1944, 10112), (2133, 9216), (2304, 8532), (2528, 7776), (2592, 7584), (2844, 6912), (3072, 6399), (3456, 5688), (3792, 5184), (3888, 5056), (4266, 4608)]