18882955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 9631349

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 883, 1645, 3055, 4277, 4415, 6181, 11479, 21385, 30905, 41501, 57395, 80353, 207505, 290507, 401765, 539513, 1452535, 2697565, 3776591, 18882955]

約数ペア:

[(1, 18882955), (5, 3776591), (7, 2697565), (13, 1452535), (35, 539513), (47, 401765), (65, 290507), (91, 207505), (235, 80353), (329, 57395), (455, 41501), (611, 30905), (883, 21385), (1645, 11479), (3055, 6181), (4277, 4415)]