19815758

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12532402

約数列:

[1, 2, 29, 31, 58, 62, 103, 107, 206, 214, 899, 1798, 2987, 3103, 3193, 3317, 5974, 6206, 6386, 6634, 11021, 22042, 92597, 96193, 185194, 192386, 319609, 341651, 639218, 683302, 9907879, 19815758]

約数ペア:

[(1, 19815758), (2, 9907879), (29, 683302), (31, 639218), (58, 341651), (62, 319609), (103, 192386), (107, 185194), (206, 96193), (214, 92597), (899, 22042), (1798, 11021), (2987, 6634), (3103, 6386), (3193, 6206), (3317, 5974)]