19994615445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6142739}}^1$

素因数の和:6142785

約数の個数: 32

約数和(自身を含む): 37740994560

約数和(自身を除く): 17746379115

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6142739, 18428217, 30713695, 42999173, 92141085, 128997519, 190424909, 214995865, 571274727, 644987595, 952124545, 1332974363, 2856373635, 3998923089, 6664871815, 19994615445]

約数ペア:

[(1, 19994615445), (3, 6664871815), (5, 3998923089), (7, 2856373635), (15, 1332974363), (21, 952124545), (31, 644987595), (35, 571274727), (93, 214995865), (105, 190424909), (155, 128997519), (217, 92141085), (465, 42999173), (651, 30713695), (1085, 18428217), (3255, 6142739)]