1890378

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1688

約数の個数: 40

約数和(自身を含む): 4843872

約数和(自身を除く): 2953494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 1667, 3334, 5001, 10002, 11669, 15003, 23338, 30006, 35007, 45009, 70014, 90018, 105021, 135027, 210042, 270054, 315063, 630126, 945189, 1890378]

約数ペア:

[(1, 1890378), (2, 945189), (3, 630126), (6, 315063), (7, 270054), (9, 210042), (14, 135027), (18, 105021), (21, 90018), (27, 70014), (42, 45009), (54, 35007), (63, 30006), (81, 23338), (126, 15003), (162, 11669), (189, 10002), (378, 5001), (567, 3334), (1134, 1667)]