19817408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23819}}^1$

素因数の和:23844

約数の個数: 28

約数和(自身を含む): 42351960

約数和(自身を除く): 22534552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23819, 47638, 95276, 190552, 309647, 381104, 619294, 762208, 1238588, 1524416, 2477176, 4954352, 9908704, 19817408]

約数ペア:

[(1, 19817408), (2, 9908704), (4, 4954352), (8, 2477176), (13, 1524416), (16, 1238588), (26, 762208), (32, 619294), (52, 381104), (64, 309647), (104, 190552), (208, 95276), (416, 47638), (832, 23819)]