201919718

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 419888448

約数和(自身を除く): 217968730

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 121, 143, 154, 173, 182, 242, 286, 346, 371, 583, 689, 742, 847, 1001, 1166, 1211, 1378, 1573, 1694, 1903, 2002, 2249, 2422, 3146, 3806, 4081, 4498, 4823, 6413, 7579, 8162, 9169, 9646, 11011, 12826, 13321, 15158, 15743, 18338, 20933, 22022, 24739, 26642, 31486, 41866, 44891, 49478, 53053, 64183, 83369, 89782, 100859, 106106, 119197, 128366, 146531, 166738, 173173, 201718, 238394, 272129, 293062, 346346, 544258, 583583, 706013, 834379, 1109449, 1167166, 1311167, 1412026, 1668758, 1904903, 2218898, 2622334, 3809806, 7766143, 9178169, 14422837, 15532286, 18356338, 28845674, 100959859, 201919718]

約数ペア:

[(1, 201919718), (2, 100959859), (7, 28845674), (11, 18356338), (13, 15532286), (14, 14422837), (22, 9178169), (26, 7766143), (53, 3809806), (77, 2622334), (91, 2218898), (106, 1904903), (121, 1668758), (143, 1412026), (154, 1311167), (173, 1167166), (182, 1109449), (242, 834379), (286, 706013), (346, 583583), (371, 544258), (583, 346346), (689, 293062), (742, 272129), (847, 238394), (1001, 201718), (1166, 173173), (1211, 166738), (1378, 146531), (1573, 128366), (1694, 119197), (1903, 106106), (2002, 100859), (2249, 89782), (2422, 83369), (3146, 64183), (3806, 53053), (4081, 49478), (4498, 44891), (4823, 41866), (6413, 31486), (7579, 26642), (8162, 24739), (9169, 22022), (9646, 20933), (11011, 18338), (12826, 15743), (13321, 15158)]