2019901191

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5171}}^1$

素因数の和:5300

約数の個数: 64

約数和(自身を含む): 3574886400

約数和(自身を除く): 1554985209

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 89, 133, 209, 231, 267, 399, 623, 627, 979, 1463, 1691, 1869, 2937, 4389, 5073, 5171, 6853, 11837, 15513, 18601, 20559, 35511, 36197, 55803, 56881, 98249, 108591, 130207, 170643, 294747, 390621, 398167, 460219, 687743, 1080739, 1194501, 1380657, 2063229, 3221533, 3242217, 5062409, 7565173, 8744161, 9664599, 15187227, 22695519, 26232483, 35436863, 61209127, 96185771, 106310589, 183627381, 288557313, 673300397, 2019901191]

約数ペア:

[(1, 2019901191), (3, 673300397), (7, 288557313), (11, 183627381), (19, 106310589), (21, 96185771), (33, 61209127), (57, 35436863), (77, 26232483), (89, 22695519), (133, 15187227), (209, 9664599), (231, 8744161), (267, 7565173), (399, 5062409), (623, 3242217), (627, 3221533), (979, 2063229), (1463, 1380657), (1691, 1194501), (1869, 1080739), (2937, 687743), (4389, 460219), (5073, 398167), (5171, 390621), (6853, 294747), (11837, 170643), (15513, 130207), (18601, 108591), (20559, 98249), (35511, 56881), (36197, 55803)]