19949506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 33422400

約数和(自身を除く): 13472894

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 421, 551, 817, 842, 1102, 1247, 1634, 2494, 7999, 12209, 15998, 18103, 23693, 24418, 36206, 47386, 231971, 343957, 463942, 524987, 687914, 1049974, 9974753, 19949506]

約数ペア:

[(1, 19949506), (2, 9974753), (19, 1049974), (29, 687914), (38, 524987), (43, 463942), (58, 343957), (86, 231971), (421, 47386), (551, 36206), (817, 24418), (842, 23693), (1102, 18103), (1247, 15998), (1634, 12209), (2494, 7999)]