1998489904

素因数分解:

$2^4\times {\mathrm{6143}}^1\times {\mathrm{20333}}^1$

素因数の和:26484

約数の個数: 20

約数和(自身を含む): 3872894976

約数和(自身を除く): 1874405072

約数列:

[1, 2, 4, 8, 16, 6143, 12286, 20333, 24572, 40666, 49144, 81332, 98288, 162664, 325328, 124905619, 249811238, 499622476, 999244952, 1998489904]

約数ペア:

[(1, 1998489904), (2, 999244952), (4, 499622476), (8, 249811238), (16, 124905619), (6143, 325328), (12286, 162664), (20333, 98288), (24572, 81332), (40666, 49144)]