19181602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 33422400

約数和(自身を除く): 14240798

約数列:

[1, 2, 11, 19, 22, 38, 109, 209, 218, 418, 421, 842, 1199, 2071, 2398, 4142, 4631, 7999, 9262, 15998, 22781, 45562, 45889, 87989, 91778, 175978, 504779, 871891, 1009558, 1743782, 9590801, 19181602]

約数ペア:

[(1, 19181602), (2, 9590801), (11, 1743782), (19, 1009558), (22, 871891), (38, 504779), (109, 175978), (209, 91778), (218, 87989), (418, 45889), (421, 45562), (842, 22781), (1199, 15998), (2071, 9262), (2398, 7999), (4142, 4631)]