19926774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 29763594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167, 334, 501, 947, 1002, 1169, 1503, 1894, 2338, 2841, 3006, 3507, 5682, 6629, 7014, 8523, 10521, 13258, 17046, 19887, 21042, 39774, 59661, 119322, 158149, 316298, 474447, 948894, 1107043, 1423341, 2214086, 2846682, 3321129, 6642258, 9963387, 19926774]

約数ペア:

[(1, 19926774), (2, 9963387), (3, 6642258), (6, 3321129), (7, 2846682), (9, 2214086), (14, 1423341), (18, 1107043), (21, 948894), (42, 474447), (63, 316298), (126, 158149), (167, 119322), (334, 59661), (501, 39774), (947, 21042), (1002, 19887), (1169, 17046), (1503, 13258), (1894, 10521), (2338, 8523), (2841, 7014), (3006, 6629), (3507, 5682)]