18387824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 44705472

約数和(自身を除く): 26317648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 173, 182, 208, 292, 346, 364, 511, 584, 692, 728, 949, 1022, 1168, 1211, 1384, 1456, 1898, 2044, 2249, 2422, 2768, 3796, 4088, 4498, 4844, 6643, 7592, 8176, 8996, 9688, 12629, 13286, 15184, 15743, 17992, 19376, 25258, 26572, 31486, 35984, 50516, 53144, 62972, 88403, 101032, 106288, 125944, 164177, 176806, 202064, 251888, 328354, 353612, 656708, 707224, 1149239, 1313416, 1414448, 2298478, 2626832, 4596956, 9193912, 18387824]

約数ペア:

[(1, 18387824), (2, 9193912), (4, 4596956), (7, 2626832), (8, 2298478), (13, 1414448), (14, 1313416), (16, 1149239), (26, 707224), (28, 656708), (52, 353612), (56, 328354), (73, 251888), (91, 202064), (104, 176806), (112, 164177), (146, 125944), (173, 106288), (182, 101032), (208, 88403), (292, 62972), (346, 53144), (364, 50516), (511, 35984), (584, 31486), (692, 26572), (728, 25258), (949, 19376), (1022, 17992), (1168, 15743), (1211, 15184), (1384, 13286), (1456, 12629), (1898, 9688), (2044, 8996), (2249, 8176), (2422, 7592), (2768, 6643), (3796, 4844), (4088, 4498)]