19997124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8209}}^1$

素因数の和:8252

約数の個数: 48

約数和(自身を含む): 55171200

約数和(自身を除く): 35174076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8209, 16418, 24627, 32836, 49254, 57463, 98508, 114926, 172389, 229852, 238061, 344778, 476122, 689556, 714183, 952244, 1428366, 1666427, 2856732, 3332854, 4999281, 6665708, 9998562, 19997124]

約数ペア:

[(1, 19997124), (2, 9998562), (3, 6665708), (4, 4999281), (6, 3332854), (7, 2856732), (12, 1666427), (14, 1428366), (21, 952244), (28, 714183), (29, 689556), (42, 476122), (58, 344778), (84, 238061), (87, 229852), (116, 172389), (174, 114926), (203, 98508), (348, 57463), (406, 49254), (609, 32836), (812, 24627), (1218, 16418), (2436, 8209)]