19943469

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8117}}^1$

素因数の和:8146

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 16425171

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8117, 24351, 56819, 73053, 105521, 170457, 219159, 316563, 511371, 738647, 949689, 1534113, 2215941, 2849067, 6647823, 19943469]

約数ペア:

[(1, 19943469), (3, 6647823), (7, 2849067), (9, 2215941), (13, 1534113), (21, 949689), (27, 738647), (39, 511371), (63, 316563), (91, 219159), (117, 170457), (189, 105521), (273, 73053), (351, 56819), (819, 24351), (2457, 8117)]