19145984

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 44984352

約数和(自身を除く): 25838368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 416, 523, 572, 704, 832, 1046, 1144, 1408, 1664, 2092, 2288, 2816, 3328, 4184, 4576, 5753, 6799, 8368, 9152, 11506, 13598, 16736, 18304, 23012, 27196, 33472, 36608, 46024, 54392, 66944, 74789, 92048, 108784, 133888, 149578, 184096, 217568, 299156, 368192, 435136, 598312, 736384, 870272, 1196624, 1472768, 1740544, 2393248, 4786496, 9572992, 19145984]

約数ペア:

[(1, 19145984), (2, 9572992), (4, 4786496), (8, 2393248), (11, 1740544), (13, 1472768), (16, 1196624), (22, 870272), (26, 736384), (32, 598312), (44, 435136), (52, 368192), (64, 299156), (88, 217568), (104, 184096), (128, 149578), (143, 133888), (176, 108784), (208, 92048), (256, 74789), (286, 66944), (352, 54392), (416, 46024), (523, 36608), (572, 33472), (704, 27196), (832, 23012), (1046, 18304), (1144, 16736), (1408, 13598), (1664, 11506), (2092, 9152), (2288, 8368), (2816, 6799), (3328, 5753), (4184, 4576)]