1918382025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{192319}}^1$

素因数の和:192358

約数の個数: 48

約数和(自身を含む): 3815628800

約数和(自身を除く): 1897246775

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 192319, 576957, 961595, 1346233, 2884785, 3654061, 4038699, 4807975, 6731165, 10962183, 14423925, 18270305, 20193495, 25578427, 33655825, 54810915, 76735281, 91351525, 100967475, 127892135, 274054575, 383676405, 639460675, 1918382025]

約数ペア:

[(1, 1918382025), (3, 639460675), (5, 383676405), (7, 274054575), (15, 127892135), (19, 100967475), (21, 91351525), (25, 76735281), (35, 54810915), (57, 33655825), (75, 25578427), (95, 20193495), (105, 18270305), (133, 14423925), (175, 10962183), (285, 6731165), (399, 4807975), (475, 4038699), (525, 3654061), (665, 2884785), (1425, 1346233), (1995, 961595), (3325, 576957), (9975, 192319)]