19850439

素因数分解:

$3^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11483961

約数列:

[1, 3, 7, 21, 49, 101, 147, 191, 303, 343, 573, 707, 1029, 1337, 2121, 4011, 4949, 9359, 14847, 19291, 28077, 34643, 57873, 65513, 103929, 135037, 196539, 405111, 945259, 2835777, 6616813, 19850439]

約数ペア:

[(1, 19850439), (3, 6616813), (7, 2835777), (21, 945259), (49, 405111), (101, 196539), (147, 135037), (191, 103929), (303, 65513), (343, 57873), (573, 34643), (707, 28077), (1029, 19291), (1337, 14847), (2121, 9359), (4011, 4949)]