19935573

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 31752192

約数和(自身を除く): 11816619

約数列:

[1, 3, 7, 21, 31, 93, 113, 217, 271, 339, 651, 791, 813, 1897, 2373, 3503, 5691, 8401, 10509, 24521, 25203, 30623, 58807, 73563, 91869, 176421, 214361, 643083, 949313, 2847939, 6645191, 19935573]

約数ペア:

[(1, 19935573), (3, 6645191), (7, 2847939), (21, 949313), (31, 643083), (93, 214361), (113, 176421), (217, 91869), (271, 73563), (339, 58807), (651, 30623), (791, 25203), (813, 24521), (1897, 10509), (2373, 8401), (3503, 5691)]