18648016

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{6737}}^1$

素因数の和:6918

約数の個数: 20

約数和(自身を含む): 36344772

約数和(自身を除く): 17696756

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 6737, 13474, 26948, 53896, 107792, 1165501, 2331002, 4662004, 9324008, 18648016]

約数ペア:

[(1, 18648016), (2, 9324008), (4, 4662004), (8, 2331002), (16, 1165501), (173, 107792), (346, 53896), (692, 26948), (1384, 13474), (2768, 6737)]