19720246

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 38725344

約数和(自身を除く): 19005098

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 182, 299, 322, 598, 637, 673, 1127, 1274, 1346, 2093, 2254, 4186, 4711, 8749, 9422, 14651, 15479, 17498, 29302, 30958, 32977, 61243, 65954, 108353, 122486, 201227, 216706, 402454, 428701, 758471, 857402, 1408589, 1516942, 2817178, 9860123, 19720246]

約数ペア:

[(1, 19720246), (2, 9860123), (7, 2817178), (13, 1516942), (14, 1408589), (23, 857402), (26, 758471), (46, 428701), (49, 402454), (91, 216706), (98, 201227), (161, 122486), (182, 108353), (299, 65954), (322, 61243), (598, 32977), (637, 30958), (673, 29302), (1127, 17498), (1274, 15479), (1346, 14651), (2093, 9422), (2254, 8749), (4186, 4711)]