18691722

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 80

約数和(自身を含む): 48926592

約数和(自身を除く): 30234870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 81, 106, 126, 159, 162, 189, 311, 318, 371, 378, 477, 567, 622, 742, 933, 954, 1113, 1134, 1431, 1866, 2177, 2226, 2799, 2862, 3339, 4293, 4354, 5598, 6531, 6678, 8397, 8586, 10017, 13062, 16483, 16794, 19593, 20034, 25191, 30051, 32966, 39186, 49449, 50382, 58779, 60102, 98898, 115381, 117558, 148347, 176337, 230762, 296694, 346143, 352674, 445041, 692286, 890082, 1038429, 1335123, 2076858, 2670246, 3115287, 6230574, 9345861, 18691722]

約数ペア:

[(1, 18691722), (2, 9345861), (3, 6230574), (6, 3115287), (7, 2670246), (9, 2076858), (14, 1335123), (18, 1038429), (21, 890082), (27, 692286), (42, 445041), (53, 352674), (54, 346143), (63, 296694), (81, 230762), (106, 176337), (126, 148347), (159, 117558), (162, 115381), (189, 98898), (311, 60102), (318, 58779), (371, 50382), (378, 49449), (477, 39186), (567, 32966), (622, 30051), (742, 25191), (933, 20034), (954, 19593), (1113, 16794), (1134, 16483), (1431, 13062), (1866, 10017), (2177, 8586), (2226, 8397), (2799, 6678), (2862, 6531), (3339, 5598), (4293, 4354)]