19695429

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 32202144

約数和(自身を除く): 12506715

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 169, 207, 299, 507, 563, 897, 1521, 1689, 2691, 3887, 5067, 7319, 11661, 12949, 21957, 34983, 38847, 65871, 95147, 116541, 168337, 285441, 505011, 856323, 1515033, 2188381, 6565143, 19695429]

約数ペア:

[(1, 19695429), (3, 6565143), (9, 2188381), (13, 1515033), (23, 856323), (39, 505011), (69, 285441), (117, 168337), (169, 116541), (207, 95147), (299, 65871), (507, 38847), (563, 34983), (897, 21957), (1521, 12949), (1689, 11661), (2691, 7319), (3887, 5067)]