19157808

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 49715568

約数和(自身を除く): 30557760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 1553, 2056, 3084, 3106, 4112, 4659, 6168, 6212, 9318, 12336, 12424, 18636, 24848, 37272, 74544, 399121, 798242, 1197363, 1596484, 2394726, 3192968, 4789452, 6385936, 9578904, 19157808]

約数ペア:

[(1, 19157808), (2, 9578904), (3, 6385936), (4, 4789452), (6, 3192968), (8, 2394726), (12, 1596484), (16, 1197363), (24, 798242), (48, 399121), (257, 74544), (514, 37272), (771, 24848), (1028, 18636), (1542, 12424), (1553, 12336), (2056, 9318), (3084, 6212), (3106, 6168), (4112, 4659)]