18939466

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5518

約数の個数: 32

約数和(自身を含む): 36812160

約数和(自身を除く): 17872694

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5477, 10954, 38339, 71201, 76678, 104063, 142402, 208126, 498407, 728441, 996814, 1352819, 1456882, 2705638, 9469733, 18939466]

約数ペア:

[(1, 18939466), (2, 9469733), (7, 2705638), (13, 1456882), (14, 1352819), (19, 996814), (26, 728441), (38, 498407), (91, 208126), (133, 142402), (182, 104063), (247, 76678), (266, 71201), (494, 38339), (1729, 10954), (3458, 5477)]