19949306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 14016262

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 467, 689, 806, 934, 1378, 1643, 3286, 6071, 12142, 14477, 21359, 24751, 28954, 42718, 49502, 188201, 321763, 376402, 643526, 767281, 1534562, 9974653, 19949306]

約数ペア:

[(1, 19949306), (2, 9974653), (13, 1534562), (26, 767281), (31, 643526), (53, 376402), (62, 321763), (106, 188201), (403, 49502), (467, 42718), (689, 28954), (806, 24751), (934, 21359), (1378, 14477), (1643, 12142), (3286, 6071)]