19816275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 33846792

約数和(自身を除く): 14030517

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 193, 555, 579, 925, 965, 1369, 2775, 2895, 4107, 4825, 6845, 7141, 14475, 20535, 21423, 34225, 35705, 102675, 107115, 178525, 264217, 535575, 792651, 1321085, 3963255, 6605425, 19816275]

約数ペア:

[(1, 19816275), (3, 6605425), (5, 3963255), (15, 1321085), (25, 792651), (37, 535575), (75, 264217), (111, 178525), (185, 107115), (193, 102675), (555, 35705), (579, 34225), (925, 21423), (965, 20535), (1369, 14475), (2775, 7141), (2895, 6845), (4107, 4825)]