1816891988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1231}}^1\times {\mathrm{5197}}^1$

素因数の和:6503

約数の個数: 24

約数和(自身を含む): 3227583744

約数和(自身を除く): 1410691756

約数列:

[1, 2, 4, 71, 142, 284, 1231, 2462, 4924, 5197, 10394, 20788, 87401, 174802, 349604, 368987, 737974, 1475948, 6397507, 12795014, 25590028, 454222997, 908445994, 1816891988]

約数ペア:

[(1, 1816891988), (2, 908445994), (4, 454222997), (71, 25590028), (142, 12795014), (284, 6397507), (1231, 1475948), (2462, 737974), (4924, 368987), (5197, 349604), (10394, 174802), (20788, 87401)]