19861630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 36959328

約数和(自身を除く): 17097698

約数列:

[1, 2, 5, 10, 41, 82, 193, 205, 251, 386, 410, 502, 965, 1255, 1930, 2510, 7913, 10291, 15826, 20582, 39565, 48443, 51455, 79130, 96886, 102910, 242215, 484430, 1986163, 3972326, 9930815, 19861630]

約数ペア:

[(1, 19861630), (2, 9930815), (5, 3972326), (10, 1986163), (41, 484430), (82, 242215), (193, 102910), (205, 96886), (251, 79130), (386, 51455), (410, 48443), (502, 39565), (965, 20582), (1255, 15826), (1930, 10291), (2510, 7913)]