19942455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3299}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15539145

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3299, 6045, 9897, 16495, 42887, 49485, 102269, 128661, 214435, 306807, 511345, 643305, 1329497, 1534035, 3988491, 6647485, 19942455]

約数ペア:

[(1, 19942455), (3, 6647485), (5, 3988491), (13, 1534035), (15, 1329497), (31, 643305), (39, 511345), (65, 306807), (93, 214435), (155, 128661), (195, 102269), (403, 49485), (465, 42887), (1209, 16495), (2015, 9897), (3299, 6045)]