1891813630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{194431}}^1$

素因数の和:194584

約数の個数: 32

約数和(自身を含む): 3919749120

約数和(自身を除く): 2027935490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 194431, 388862, 972155, 1361017, 1944310, 2722034, 6805085, 13610170, 27025909, 54051818, 135129545, 189181363, 270259090, 378362726, 945906815, 1891813630]

約数ペア:

[(1, 1891813630), (2, 945906815), (5, 378362726), (7, 270259090), (10, 189181363), (14, 135129545), (35, 54051818), (70, 27025909), (139, 13610170), (278, 6805085), (695, 2722034), (973, 1944310), (1390, 1361017), (1946, 972155), (4865, 388862), (9730, 194431)]