19778935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1327}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 26007552

約数和(自身を除く): 6228617

約数列:

[1, 5, 11, 55, 271, 1327, 1355, 2981, 6635, 14597, 14905, 72985, 359617, 1798085, 3955787, 19778935]

約数ペア:

[(1, 19778935), (5, 3955787), (11, 1798085), (55, 359617), (271, 72985), (1327, 14905), (1355, 14597), (2981, 6635)]