19977075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4673}}^1$

素因数の和:4708

約数の個数: 36

約数和(自身を含む): 37672440

約数和(自身を除く): 17695365

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4673, 14019, 23365, 42057, 70095, 88787, 116825, 210285, 266361, 350475, 443935, 799083, 1051425, 1331805, 2219675, 3995415, 6659025, 19977075]

約数ペア:

[(1, 19977075), (3, 6659025), (5, 3995415), (9, 2219675), (15, 1331805), (19, 1051425), (25, 799083), (45, 443935), (57, 350475), (75, 266361), (95, 210285), (171, 116825), (225, 88787), (285, 70095), (475, 42057), (855, 23365), (1425, 14019), (4275, 4673)]