19945764

素因数分解:

$2^2\times 3^4\times {\mathrm{61561}}^1$

素因数の和:61577

約数の個数: 30

約数和(自身を含む): 52143014

約数和(自身を除く): 32197250

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61561, 123122, 184683, 246244, 369366, 554049, 738732, 1108098, 1662147, 2216196, 3324294, 4986441, 6648588, 9972882, 19945764]

約数ペア:

[(1, 19945764), (2, 9972882), (3, 6648588), (4, 4986441), (6, 3324294), (9, 2216196), (12, 1662147), (18, 1108098), (27, 738732), (36, 554049), (54, 369366), (81, 246244), (108, 184683), (162, 123122), (324, 61561)]