19639890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4643}}^1$

素因数の和:4703

約数の個数: 48

約数和(自身を含む): 52161408

約数和(自身を除く): 32521518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4643, 9286, 13929, 23215, 27858, 41787, 46430, 69645, 83574, 139290, 208935, 218221, 417870, 436442, 654663, 1091105, 1309326, 1963989, 2182210, 3273315, 3927978, 6546630, 9819945, 19639890]

約数ペア:

[(1, 19639890), (2, 9819945), (3, 6546630), (5, 3927978), (6, 3273315), (9, 2182210), (10, 1963989), (15, 1309326), (18, 1091105), (30, 654663), (45, 436442), (47, 417870), (90, 218221), (94, 208935), (141, 139290), (235, 83574), (282, 69645), (423, 46430), (470, 41787), (705, 27858), (846, 23215), (1410, 13929), (2115, 9286), (4230, 4643)]