19671249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 9681711

約数列:

[1, 3, 13, 39, 59, 83, 103, 177, 249, 309, 767, 1079, 1339, 2301, 3237, 4017, 4897, 6077, 8549, 14691, 18231, 25647, 63661, 79001, 111137, 190983, 237003, 333411, 504391, 1513173, 6557083, 19671249]

約数ペア:

[(1, 19671249), (3, 6557083), (13, 1513173), (39, 504391), (59, 333411), (83, 237003), (103, 190983), (177, 111137), (249, 79001), (309, 63661), (767, 25647), (1079, 18231), (1339, 14691), (2301, 8549), (3237, 6077), (4017, 4897)]