19402593

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 33008640

約数和(自身を除く): 13606047

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 139, 161, 289, 357, 391, 417, 483, 867, 973, 1173, 2023, 2363, 2737, 2919, 3197, 6069, 6647, 7089, 8211, 9591, 16541, 19941, 22379, 40171, 46529, 49623, 54349, 67137, 120513, 139587, 163047, 281197, 380443, 843591, 923933, 1141329, 2771799, 6467531, 19402593]

約数ペア:

[(1, 19402593), (3, 6467531), (7, 2771799), (17, 1141329), (21, 923933), (23, 843591), (51, 380443), (69, 281197), (119, 163047), (139, 139587), (161, 120513), (289, 67137), (357, 54349), (391, 49623), (417, 46529), (483, 40171), (867, 22379), (973, 19941), (1173, 16541), (2023, 9591), (2363, 8211), (2737, 7089), (2919, 6647), (3197, 6069)]