19691358

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 41319936

約数和(自身を除く): 21628578

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 293, 487, 586, 879, 974, 1461, 1758, 2922, 6739, 11201, 13478, 20217, 22402, 33603, 40434, 67206, 142691, 285382, 428073, 856146, 3281893, 6563786, 9845679, 19691358]

約数ペア:

[(1, 19691358), (2, 9845679), (3, 6563786), (6, 3281893), (23, 856146), (46, 428073), (69, 285382), (138, 142691), (293, 67206), (487, 40434), (586, 33603), (879, 22402), (974, 20217), (1461, 13478), (1758, 11201), (2922, 6739)]