19965309117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{3517}}^1$

素因数の和:3762

約数の個数: 64

約数和(自身を含む): 31016939520

約数和(自身を除く): 11051630403

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 163, 247, 489, 611, 741, 893, 1833, 2119, 2679, 3097, 3517, 6357, 7661, 9291, 10551, 11609, 22983, 34827, 40261, 45721, 66823, 99593, 120783, 137163, 145559, 165299, 200469, 298779, 436677, 495897, 573271, 868699, 1719813, 1892267, 2148887, 2606097, 3140681, 5676801, 6446661, 7452523, 9422043, 10892149, 22357569, 26943737, 32676447, 40828853, 80831211, 122486559, 141597937, 350268581, 424793811, 511931003, 1050805743, 1535793009, 6655103039, 19965309117]

約数ペア:

[(1, 19965309117), (3, 6655103039), (13, 1535793009), (19, 1050805743), (39, 511931003), (47, 424793811), (57, 350268581), (141, 141597937), (163, 122486559), (247, 80831211), (489, 40828853), (611, 32676447), (741, 26943737), (893, 22357569), (1833, 10892149), (2119, 9422043), (2679, 7452523), (3097, 6446661), (3517, 5676801), (6357, 3140681), (7661, 2606097), (9291, 2148887), (10551, 1892267), (11609, 1719813), (22983, 868699), (34827, 573271), (40261, 495897), (45721, 436677), (66823, 298779), (99593, 200469), (120783, 165299), (137163, 145559)]