19340153

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 23535072

約数和(自身を除く): 4194919

約数列:

[1, 7, 43, 49, 67, 137, 301, 469, 959, 2107, 2881, 3283, 5891, 6713, 9179, 20167, 41237, 64253, 141169, 288659, 394697, 449771, 2762879, 19340153]

約数ペア:

[(1, 19340153), (7, 2762879), (43, 449771), (49, 394697), (67, 288659), (137, 141169), (301, 64253), (469, 41237), (959, 20167), (2107, 9179), (2881, 6713), (3283, 5891)]