19349540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 28236124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3371, 5740, 6742, 13484, 16855, 23597, 33710, 47194, 67420, 94388, 117985, 138211, 235970, 276422, 471940, 552844, 691055, 967477, 1382110, 1934954, 2764220, 3869908, 4837385, 9674770, 19349540]

約数ペア:

[(1, 19349540), (2, 9674770), (4, 4837385), (5, 3869908), (7, 2764220), (10, 1934954), (14, 1382110), (20, 967477), (28, 691055), (35, 552844), (41, 471940), (70, 276422), (82, 235970), (140, 138211), (164, 117985), (205, 94388), (287, 67420), (410, 47194), (574, 33710), (820, 23597), (1148, 16855), (1435, 13484), (2870, 6742), (3371, 5740)]