19534372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 42057792

約数和(自身を除く): 22523420

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 71, 74, 142, 143, 148, 169, 284, 286, 338, 407, 481, 572, 676, 781, 814, 923, 962, 1562, 1628, 1846, 1859, 1924, 2627, 3124, 3692, 3718, 5254, 5291, 6253, 7436, 10153, 10508, 10582, 11999, 12506, 20306, 21164, 23998, 25012, 28897, 34151, 40612, 47996, 57794, 68302, 68783, 115588, 131989, 136604, 137566, 263978, 275132, 375661, 443963, 527956, 751322, 887926, 1502644, 1775852, 4883593, 9767186, 19534372]

約数ペア:

[(1, 19534372), (2, 9767186), (4, 4883593), (11, 1775852), (13, 1502644), (22, 887926), (26, 751322), (37, 527956), (44, 443963), (52, 375661), (71, 275132), (74, 263978), (142, 137566), (143, 136604), (148, 131989), (169, 115588), (284, 68783), (286, 68302), (338, 57794), (407, 47996), (481, 40612), (572, 34151), (676, 28897), (781, 25012), (814, 23998), (923, 21164), (962, 20306), (1562, 12506), (1628, 11999), (1846, 10582), (1859, 10508), (1924, 10153), (2627, 7436), (3124, 6253), (3692, 5291), (3718, 5254)]