19812049607

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{1933}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 24737407200

約数和(自身を除く): 4925357593

約数列:

[1, 7, 19, 49, 101, 109, 133, 707, 763, 931, 1919, 1933, 2071, 4949, 5341, 11009, 13433, 13531, 14497, 36727, 77063, 94031, 94717, 101479, 195233, 209171, 210697, 257089, 539441, 1366631, 1464197, 1474879, 1799623, 3709427, 4003243, 9566417, 10249379, 10324153, 21280397, 25965989, 28022701, 148962779, 181761923, 196158907, 404327543, 1042739453, 2830292801, 19812049607]

約数ペア:

[(1, 19812049607), (7, 2830292801), (19, 1042739453), (49, 404327543), (101, 196158907), (109, 181761923), (133, 148962779), (707, 28022701), (763, 25965989), (931, 21280397), (1919, 10324153), (1933, 10249379), (2071, 9566417), (4949, 4003243), (5341, 3709427), (11009, 1799623), (13433, 1474879), (13531, 1464197), (14497, 1366631), (36727, 539441), (77063, 257089), (94031, 210697), (94717, 209171), (101479, 195233)]