19194903

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16447977

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1019, 1449, 2093, 2691, 3057, 6279, 7133, 9171, 13247, 18837, 21399, 23437, 39741, 64197, 70311, 92729, 119223, 164059, 210933, 278187, 304681, 492177, 834561, 914043, 1476531, 2132767, 2742129, 6398301, 19194903]

約数ペア:

[(1, 19194903), (3, 6398301), (7, 2742129), (9, 2132767), (13, 1476531), (21, 914043), (23, 834561), (39, 492177), (63, 304681), (69, 278187), (91, 210933), (117, 164059), (161, 119223), (207, 92729), (273, 70311), (299, 64197), (483, 39741), (819, 23437), (897, 21399), (1019, 18837), (1449, 13247), (2093, 9171), (2691, 7133), (3057, 6279)]