19763478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1553}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 49454496

約数和(自身を除く): 29691018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1553, 1818, 2121, 3106, 4242, 4659, 6363, 9318, 10871, 12726, 13977, 21742, 27954, 32613, 65226, 97839, 156853, 195678, 313706, 470559, 941118, 1097971, 1411677, 2195942, 2823354, 3293913, 6587826, 9881739, 19763478]

約数ペア:

[(1, 19763478), (2, 9881739), (3, 6587826), (6, 3293913), (7, 2823354), (9, 2195942), (14, 1411677), (18, 1097971), (21, 941118), (42, 470559), (63, 313706), (101, 195678), (126, 156853), (202, 97839), (303, 65226), (606, 32613), (707, 27954), (909, 21742), (1414, 13977), (1553, 12726), (1818, 10871), (2121, 9318), (3106, 6363), (4242, 4659)]