19814366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 36136800

約数和(自身を除く): 16322434

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2389, 4147, 4778, 8294, 26279, 31057, 52558, 62114, 69281, 138562, 341627, 683254, 762091, 900653, 1524182, 1801306, 9907183, 19814366]

約数ペア:

[(1, 19814366), (2, 9907183), (11, 1801306), (13, 1524182), (22, 900653), (26, 762091), (29, 683254), (58, 341627), (143, 138562), (286, 69281), (319, 62114), (377, 52558), (638, 31057), (754, 26279), (2389, 8294), (4147, 4778)]