16501904

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{1609}}^1$

素因数の和:2258

約数の個数: 20

約数和(自身を含む): 32042220

約数和(自身を除く): 15540316

約数列:

[1, 2, 4, 8, 16, 641, 1282, 1609, 2564, 3218, 5128, 6436, 10256, 12872, 25744, 1031369, 2062738, 4125476, 8250952, 16501904]

約数ペア:

[(1, 16501904), (2, 8250952), (4, 4125476), (8, 2062738), (16, 1031369), (641, 25744), (1282, 12872), (1609, 10256), (2564, 6436), (3218, 5128)]