19130804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22963276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 308, 347, 358, 694, 716, 1253, 1388, 1969, 2429, 2506, 3817, 3938, 4858, 5012, 7634, 7876, 9716, 13783, 15268, 26719, 27566, 53438, 55132, 62113, 106876, 124226, 248452, 434791, 683243, 869582, 1366486, 1739164, 2732972, 4782701, 9565402, 19130804]

約数ペア:

[(1, 19130804), (2, 9565402), (4, 4782701), (7, 2732972), (11, 1739164), (14, 1366486), (22, 869582), (28, 683243), (44, 434791), (77, 248452), (154, 124226), (179, 106876), (308, 62113), (347, 55132), (358, 53438), (694, 27566), (716, 26719), (1253, 15268), (1388, 13783), (1969, 9716), (2429, 7876), (2506, 7634), (3817, 5012), (3938, 4858)]