18957918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6737}}^1$

素因数の和:6816

約数の個数: 32

約数和(自身を含む): 43985664

約数和(自身を除く): 25027746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 6737, 13474, 20211, 40422, 47159, 94318, 141477, 282954, 451379, 902758, 1354137, 2708274, 3159653, 6319306, 9478959, 18957918]

約数ペア:

[(1, 18957918), (2, 9478959), (3, 6319306), (6, 3159653), (7, 2708274), (14, 1354137), (21, 902758), (42, 451379), (67, 282954), (134, 141477), (201, 94318), (402, 47159), (469, 40422), (938, 20211), (1407, 13474), (2814, 6737)]