18729455997

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{503}}^1\times {\mathrm{5023}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 28683583488

約数和(自身を除く): 9954127491

約数列:

[1, 3, 7, 21, 353, 503, 1059, 1509, 2471, 3521, 5023, 7413, 10563, 15069, 35161, 105483, 177559, 532677, 1242913, 1773119, 2526569, 3728739, 5319357, 7579707, 12411833, 17685983, 37235499, 53057949, 891878857, 2675636571, 6243151999, 18729455997]

約数ペア:

[(1, 18729455997), (3, 6243151999), (7, 2675636571), (21, 891878857), (353, 53057949), (503, 37235499), (1059, 17685983), (1509, 12411833), (2471, 7579707), (3521, 5319357), (5023, 3728739), (7413, 2526569), (10563, 1773119), (15069, 1242913), (35161, 532677), (105483, 177559)]