19789868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37199}}^1$

素因数の和:37229

約数の個数: 24

約数和(自身を含む): 41664000

約数和(自身を除く): 21874132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37199, 74398, 148796, 260393, 520786, 706781, 1041572, 1413562, 2827124, 4947467, 9894934, 19789868]

約数ペア:

[(1, 19789868), (2, 9894934), (4, 4947467), (7, 2827124), (14, 1413562), (19, 1041572), (28, 706781), (38, 520786), (76, 260393), (133, 148796), (266, 74398), (532, 37199)]