19796686

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 18411554

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 379, 533, 574, 637, 758, 1066, 1274, 2009, 2653, 3731, 4018, 4927, 5306, 7462, 9854, 15539, 18571, 26117, 31078, 34489, 37142, 52234, 68978, 108773, 202007, 217546, 241423, 404014, 482846, 761411, 1414049, 1522822, 2828098, 9898343, 19796686]

約数ペア:

[(1, 19796686), (2, 9898343), (7, 2828098), (13, 1522822), (14, 1414049), (26, 761411), (41, 482846), (49, 404014), (82, 241423), (91, 217546), (98, 202007), (182, 108773), (287, 68978), (379, 52234), (533, 37142), (574, 34489), (637, 31078), (758, 26117), (1066, 18571), (1274, 15539), (2009, 9854), (2653, 7462), (3731, 5306), (4018, 4927)]