19815224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17321}}^1$

素因数の和:17351

約数の個数: 32

約数和(自身を含む): 43651440

約数和(自身を除く): 23836216

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17321, 34642, 69284, 138568, 190531, 225173, 381062, 450346, 762124, 900692, 1524248, 1801384, 2476903, 4953806, 9907612, 19815224]

約数ペア:

[(1, 19815224), (2, 9907612), (4, 4953806), (8, 2476903), (11, 1801384), (13, 1524248), (22, 900692), (26, 762124), (44, 450346), (52, 381062), (88, 225173), (104, 190531), (143, 138568), (286, 69284), (572, 34642), (1144, 17321)]