19797939

素因数分解:

$3^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 34524672

約数和(自身を除く): 14726733

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 113, 189, 243, 309, 339, 567, 721, 791, 927, 1017, 1701, 2163, 2373, 2781, 3051, 6489, 7119, 8343, 9153, 11639, 19467, 21357, 25029, 27459, 34917, 58401, 64071, 81473, 104751, 175203, 192213, 244419, 314253, 733257, 942759, 2199771, 2828277, 6599313, 19797939]

約数ペア:

[(1, 19797939), (3, 6599313), (7, 2828277), (9, 2199771), (21, 942759), (27, 733257), (63, 314253), (81, 244419), (103, 192213), (113, 175203), (189, 104751), (243, 81473), (309, 64071), (339, 58401), (567, 34917), (721, 27459), (791, 25029), (927, 21357), (1017, 19467), (1701, 11639), (2163, 9153), (2373, 8343), (2781, 7119), (3051, 6489)]