19306521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5373

約数の個数: 24

約数和(自身を含む): 31006976

約数和(自身を除く): 11700455

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5323, 15969, 47907, 69199, 165013, 207597, 495039, 622791, 1485117, 2145169, 6435507, 19306521]

約数ペア:

[(1, 19306521), (3, 6435507), (9, 2145169), (13, 1485117), (31, 622791), (39, 495039), (93, 207597), (117, 165013), (279, 69199), (403, 47907), (1209, 15969), (3627, 5323)]