18605860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10223}}^1$

素因数の和:10252

約数の個数: 48

約数和(自身を含む): 48093696

約数和(自身を除く): 29487836

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10223, 20446, 40892, 51115, 71561, 102230, 132899, 143122, 204460, 265798, 286244, 357805, 531596, 664495, 715610, 930293, 1328990, 1431220, 1860586, 2657980, 3721172, 4651465, 9302930, 18605860]

約数ペア:

[(1, 18605860), (2, 9302930), (4, 4651465), (5, 3721172), (7, 2657980), (10, 1860586), (13, 1431220), (14, 1328990), (20, 930293), (26, 715610), (28, 664495), (35, 531596), (52, 357805), (65, 286244), (70, 265798), (91, 204460), (130, 143122), (140, 132899), (182, 102230), (260, 71561), (364, 51115), (455, 40892), (910, 20446), (1820, 10223)]