18804669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 28957824

約数和(自身を除く): 10153155

約数列:

[1, 3, 13, 17, 39, 51, 113, 221, 251, 339, 663, 753, 1469, 1921, 3263, 4267, 4407, 5763, 9789, 12801, 24973, 28363, 55471, 74919, 85089, 166413, 368719, 482171, 1106157, 1446513, 6268223, 18804669]

約数ペア:

[(1, 18804669), (3, 6268223), (13, 1446513), (17, 1106157), (39, 482171), (51, 368719), (113, 166413), (221, 85089), (251, 74919), (339, 55471), (663, 28363), (753, 24973), (1469, 12801), (1921, 9789), (3263, 5763), (4267, 4407)]