19057815

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 40930560

約数和(自身を除く): 21872745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 67, 105, 129, 135, 147, 189, 201, 215, 245, 301, 315, 335, 387, 441, 469, 603, 645, 735, 903, 945, 1005, 1161, 1323, 1407, 1505, 1809, 1935, 2107, 2205, 2345, 2709, 2881, 3015, 3283, 4221, 4515, 5805, 6321, 6615, 7035, 8127, 8643, 9045, 9849, 10535, 12663, 13545, 14405, 16415, 18963, 20167, 21105, 25929, 29547, 31605, 40635, 43215, 49245, 56889, 60501, 63315, 77787, 88641, 94815, 100835, 129645, 141169, 147735, 181503, 284445, 302505, 388935, 423507, 443205, 544509, 705845, 907515, 1270521, 2117535, 2722545, 3811563, 6352605, 19057815]

約数ペア:

[(1, 19057815), (3, 6352605), (5, 3811563), (7, 2722545), (9, 2117535), (15, 1270521), (21, 907515), (27, 705845), (35, 544509), (43, 443205), (45, 423507), (49, 388935), (63, 302505), (67, 284445), (105, 181503), (129, 147735), (135, 141169), (147, 129645), (189, 100835), (201, 94815), (215, 88641), (245, 77787), (301, 63315), (315, 60501), (335, 56889), (387, 49245), (441, 43215), (469, 40635), (603, 31605), (645, 29547), (735, 25929), (903, 21105), (945, 20167), (1005, 18963), (1161, 16415), (1323, 14405), (1407, 13545), (1505, 12663), (1809, 10535), (1935, 9849), (2107, 9045), (2205, 8643), (2345, 8127), (2709, 7035), (2881, 6615), (3015, 6321), (3283, 5805), (4221, 4515)]