18560464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 42653520

約数和(自身を除く): 24093056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 181, 208, 221, 232, 272, 362, 377, 442, 464, 493, 724, 754, 884, 986, 1448, 1508, 1768, 1972, 2353, 2896, 3016, 3077, 3536, 3944, 4706, 5249, 6032, 6154, 6409, 7888, 9412, 10498, 12308, 12818, 18824, 20996, 24616, 25636, 37648, 40001, 41992, 49232, 51272, 68237, 80002, 83984, 89233, 102544, 136474, 160004, 178466, 272948, 320008, 356932, 545896, 640016, 713864, 1091792, 1160029, 1427728, 2320058, 4640116, 9280232, 18560464]

約数ペア:

[(1, 18560464), (2, 9280232), (4, 4640116), (8, 2320058), (13, 1427728), (16, 1160029), (17, 1091792), (26, 713864), (29, 640016), (34, 545896), (52, 356932), (58, 320008), (68, 272948), (104, 178466), (116, 160004), (136, 136474), (181, 102544), (208, 89233), (221, 83984), (232, 80002), (272, 68237), (362, 51272), (377, 49232), (442, 41992), (464, 40001), (493, 37648), (724, 25636), (754, 24616), (884, 20996), (986, 18824), (1448, 12818), (1508, 12308), (1768, 10498), (1972, 9412), (2353, 7888), (2896, 6409), (3016, 6154), (3077, 6032), (3536, 5249), (3944, 4706)]