19789532

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3306

約数の個数: 36

約数和(自身を含む): 41598144

約数和(自身を除く): 21808612

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3257, 6076, 6514, 13028, 22799, 45598, 91196, 100967, 159593, 201934, 319186, 403868, 638372, 706769, 1413538, 2827076, 4947383, 9894766, 19789532]

約数ペア:

[(1, 19789532), (2, 9894766), (4, 4947383), (7, 2827076), (14, 1413538), (28, 706769), (31, 638372), (49, 403868), (62, 319186), (98, 201934), (124, 159593), (196, 100967), (217, 91196), (434, 45598), (868, 22799), (1519, 13028), (3038, 6514), (3257, 6076)]