18206864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 42497280

約数和(自身を除く): 24290416

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 271, 272, 304, 323, 442, 494, 542, 646, 884, 988, 1084, 1292, 1768, 1976, 2168, 2584, 3523, 3536, 3952, 4199, 4336, 4607, 5149, 5168, 7046, 8398, 9214, 10298, 14092, 16796, 18428, 20596, 28184, 33592, 36856, 41192, 56368, 59891, 66937, 67184, 73712, 82384, 87533, 119782, 133874, 175066, 239564, 267748, 350132, 479128, 535496, 700264, 958256, 1070992, 1137929, 1400528, 2275858, 4551716, 9103432, 18206864]

約数ペア:

[(1, 18206864), (2, 9103432), (4, 4551716), (8, 2275858), (13, 1400528), (16, 1137929), (17, 1070992), (19, 958256), (26, 700264), (34, 535496), (38, 479128), (52, 350132), (68, 267748), (76, 239564), (104, 175066), (136, 133874), (152, 119782), (208, 87533), (221, 82384), (247, 73712), (271, 67184), (272, 66937), (304, 59891), (323, 56368), (442, 41192), (494, 36856), (542, 33592), (646, 28184), (884, 20596), (988, 18428), (1084, 16796), (1292, 14092), (1768, 10298), (1976, 9214), (2168, 8398), (2584, 7046), (3523, 5168), (3536, 5149), (3952, 4607), (4199, 4336)]