19241915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 31352832

約数和(自身を除く): 12110917

約数列:

[1, 5, 7, 11, 23, 35, 41, 53, 55, 77, 115, 161, 205, 253, 265, 287, 371, 385, 451, 583, 805, 943, 1219, 1265, 1435, 1771, 1855, 2173, 2255, 2915, 3157, 4081, 4715, 6095, 6601, 8533, 8855, 10373, 10865, 13409, 15211, 15785, 20405, 23903, 33005, 42665, 49979, 51865, 67045, 72611, 76055, 93863, 119515, 167321, 249895, 349853, 363055, 469315, 549769, 836605, 1749265, 2748845, 3848383, 19241915]

約数ペア:

[(1, 19241915), (5, 3848383), (7, 2748845), (11, 1749265), (23, 836605), (35, 549769), (41, 469315), (53, 363055), (55, 349853), (77, 249895), (115, 167321), (161, 119515), (205, 93863), (253, 76055), (265, 72611), (287, 67045), (371, 51865), (385, 49979), (451, 42665), (583, 33005), (805, 23903), (943, 20405), (1219, 15785), (1265, 15211), (1435, 13409), (1771, 10865), (1855, 10373), (2173, 8855), (2255, 8533), (2915, 6601), (3157, 6095), (4081, 4715)]