19958106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 46885824

約数和(自身を除く): 26927718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 257, 258, 301, 514, 602, 771, 903, 1542, 1799, 1806, 1849, 3598, 3698, 5397, 5547, 10794, 11051, 11094, 12943, 22102, 25886, 33153, 38829, 66306, 77357, 77658, 154714, 232071, 464142, 475193, 950386, 1425579, 2851158, 3326351, 6652702, 9979053, 19958106]

約数ペア:

[(1, 19958106), (2, 9979053), (3, 6652702), (6, 3326351), (7, 2851158), (14, 1425579), (21, 950386), (42, 475193), (43, 464142), (86, 232071), (129, 154714), (257, 77658), (258, 77357), (301, 66306), (514, 38829), (602, 33153), (771, 25886), (903, 22102), (1542, 12943), (1799, 11094), (1806, 11051), (1849, 10794), (3598, 5547), (3698, 5397)]