19507749085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{25801}}^1$

素因数の和:26109

約数の個数: 32

約数和(自身を含む): 26082725760

約数和(自身を除く): 6574976675

約数列:

[1, 5, 11, 55, 59, 233, 295, 649, 1165, 2563, 3245, 12815, 13747, 25801, 68735, 129005, 151217, 283811, 756085, 1419055, 1522259, 6011633, 7611295, 16744849, 30058165, 66127963, 83724245, 330639815, 354686347, 1773431735, 3901549817, 19507749085]

約数ペア:

[(1, 19507749085), (5, 3901549817), (11, 1773431735), (55, 354686347), (59, 330639815), (233, 83724245), (295, 66127963), (649, 30058165), (1165, 16744849), (2563, 7611295), (3245, 6011633), (12815, 1522259), (13747, 1419055), (25801, 756085), (68735, 283811), (129005, 151217)]