19364345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 32223744

約数和(自身を除く): 12859399

約数列:

[1, 5, 7, 11, 13, 35, 53, 55, 65, 73, 77, 91, 143, 265, 365, 371, 385, 455, 511, 583, 689, 715, 803, 949, 1001, 1855, 2555, 2915, 3445, 3869, 4015, 4081, 4745, 4823, 5005, 5621, 6643, 7579, 10439, 19345, 20405, 24115, 27083, 28105, 33215, 37895, 42559, 50297, 52195, 53053, 73073, 135415, 212795, 251485, 265265, 297913, 352079, 365365, 553267, 1489565, 1760395, 2766335, 3872869, 19364345]

約数ペア:

[(1, 19364345), (5, 3872869), (7, 2766335), (11, 1760395), (13, 1489565), (35, 553267), (53, 365365), (55, 352079), (65, 297913), (73, 265265), (77, 251485), (91, 212795), (143, 135415), (265, 73073), (365, 53053), (371, 52195), (385, 50297), (455, 42559), (511, 37895), (583, 33215), (689, 28105), (715, 27083), (803, 24115), (949, 20405), (1001, 19345), (1855, 10439), (2555, 7579), (2915, 6643), (3445, 5621), (3869, 5005), (4015, 4823), (4081, 4745)]