19648838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 34432128

約数和(自身を除く): 14783290

約数列:

[1, 2, 11, 17, 22, 34, 107, 187, 214, 374, 491, 982, 1177, 1819, 2354, 3638, 5401, 8347, 10802, 16694, 20009, 40018, 52537, 91817, 105074, 183634, 577907, 893129, 1155814, 1786258, 9824419, 19648838]

約数ペア:

[(1, 19648838), (2, 9824419), (11, 1786258), (17, 1155814), (22, 893129), (34, 577907), (107, 183634), (187, 105074), (214, 91817), (374, 52537), (491, 40018), (982, 20009), (1177, 16694), (1819, 10802), (2354, 8347), (3638, 5401)]