19401135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 34345920

約数和(自身を除く): 14944785

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2689, 7215, 8067, 13445, 34957, 40335, 99493, 104871, 174785, 298479, 497465, 524355, 1293409, 1492395, 3880227, 6467045, 19401135]

約数ペア:

[(1, 19401135), (3, 6467045), (5, 3880227), (13, 1492395), (15, 1293409), (37, 524355), (39, 497465), (65, 298479), (111, 174785), (185, 104871), (195, 99493), (481, 40335), (555, 34957), (1443, 13445), (2405, 8067), (2689, 7215)]