18206656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 56

約数和(自身を含む): 39542720

約数和(自身を除く): 21336064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 277, 316, 416, 554, 632, 832, 1027, 1108, 1264, 2054, 2216, 2528, 3601, 4108, 4432, 5056, 7202, 8216, 8864, 14404, 16432, 17728, 21883, 28808, 32864, 43766, 57616, 65728, 87532, 115232, 175064, 230464, 284479, 350128, 568958, 700256, 1137916, 1400512, 2275832, 4551664, 9103328, 18206656]

約数ペア:

[(1, 18206656), (2, 9103328), (4, 4551664), (8, 2275832), (13, 1400512), (16, 1137916), (26, 700256), (32, 568958), (52, 350128), (64, 284479), (79, 230464), (104, 175064), (158, 115232), (208, 87532), (277, 65728), (316, 57616), (416, 43766), (554, 32864), (632, 28808), (832, 21883), (1027, 17728), (1108, 16432), (1264, 14404), (2054, 8864), (2216, 8216), (2528, 7202), (3601, 5056), (4108, 4432)]