18807942760

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5665043}}^1$

素因数の和:5665137

約数の個数: 32

約数和(自身を含む): 42827732640

約数和(自身を除く): 24019789880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5665043, 11330086, 22660172, 28325215, 45320344, 56650430, 113300860, 226601720, 470198569, 940397138, 1880794276, 2350992845, 3761588552, 4701985690, 9403971380, 18807942760]

約数ペア:

[(1, 18807942760), (2, 9403971380), (4, 4701985690), (5, 3761588552), (8, 2350992845), (10, 1880794276), (20, 940397138), (40, 470198569), (83, 226601720), (166, 113300860), (332, 56650430), (415, 45320344), (664, 28325215), (830, 22660172), (1660, 11330086), (3320, 5665043)]