19243035

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2909}}^1$

素因数の和:2937

約数の個数: 48

約数和(自身を含む): 39808800

約数和(自身を除く): 20565765

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 2909, 6615, 8727, 14545, 20363, 26181, 43635, 61089, 78543, 101815, 130905, 142541, 183267, 305445, 392715, 427623, 549801, 712705, 916335, 1282869, 2138115, 2749005, 3848607, 6414345, 19243035]

約数ペア:

[(1, 19243035), (3, 6414345), (5, 3848607), (7, 2749005), (9, 2138115), (15, 1282869), (21, 916335), (27, 712705), (35, 549801), (45, 427623), (49, 392715), (63, 305445), (105, 183267), (135, 142541), (147, 130905), (189, 101815), (245, 78543), (315, 61089), (441, 43635), (735, 26181), (945, 20363), (1323, 14545), (2205, 8727), (2909, 6615)]