18400395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 31997952

約数和(自身を除く): 13597557

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 743, 1651, 1905, 2229, 3715, 4953, 8255, 9659, 11145, 24765, 28977, 48295, 94361, 144885, 283083, 471805, 1226693, 1415415, 3680079, 6133465, 18400395]

約数ペア:

[(1, 18400395), (3, 6133465), (5, 3680079), (13, 1415415), (15, 1226693), (39, 471805), (65, 283083), (127, 144885), (195, 94361), (381, 48295), (635, 28977), (743, 24765), (1651, 11145), (1905, 9659), (2229, 8255), (3715, 4953)]