18807942790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20668069}}^1$

素因数の和:20668096

約数の個数: 32

約数和(自身を含む): 41666829120

約数和(自身を除く): 22858886330

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20668069, 41336138, 103340345, 144676483, 206680690, 268684897, 289352966, 537369794, 723382415, 1343424485, 1446764830, 1880794279, 2686848970, 3761588558, 9403971395, 18807942790]

約数ペア:

[(1, 18807942790), (2, 9403971395), (5, 3761588558), (7, 2686848970), (10, 1880794279), (13, 1446764830), (14, 1343424485), (26, 723382415), (35, 537369794), (65, 289352966), (70, 268684897), (91, 206680690), (130, 144676483), (182, 103340345), (455, 41336138), (910, 20668069)]