18793005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19527123

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 53, 55, 77, 105, 159, 165, 231, 265, 307, 371, 385, 583, 795, 921, 1113, 1155, 1535, 1749, 1855, 2149, 2915, 3377, 4081, 4605, 5565, 6447, 8745, 10131, 10745, 12243, 16271, 16885, 20405, 23639, 32235, 48813, 50655, 61215, 70917, 81355, 113897, 118195, 178981, 244065, 341691, 354585, 536943, 569485, 894905, 1252867, 1708455, 2684715, 3758601, 6264335, 18793005]

約数ペア:

[(1, 18793005), (3, 6264335), (5, 3758601), (7, 2684715), (11, 1708455), (15, 1252867), (21, 894905), (33, 569485), (35, 536943), (53, 354585), (55, 341691), (77, 244065), (105, 178981), (159, 118195), (165, 113897), (231, 81355), (265, 70917), (307, 61215), (371, 50655), (385, 48813), (583, 32235), (795, 23639), (921, 20405), (1113, 16885), (1155, 16271), (1535, 12243), (1749, 10745), (1855, 10131), (2149, 8745), (2915, 6447), (3377, 5565), (4081, 4605)]