18689055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1471}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 37588992

約数和(自身を除く): 18899937

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1471, 1815, 2541, 4235, 4413, 7355, 10297, 12705, 16181, 22065, 30891, 48543, 51485, 80905, 113267, 154455, 177991, 242715, 339801, 533973, 566335, 889955, 1245937, 1699005, 2669865, 3737811, 6229685, 18689055]

約数ペア:

[(1, 18689055), (3, 6229685), (5, 3737811), (7, 2669865), (11, 1699005), (15, 1245937), (21, 889955), (33, 566335), (35, 533973), (55, 339801), (77, 242715), (105, 177991), (121, 154455), (165, 113267), (231, 80905), (363, 51485), (385, 48543), (605, 30891), (847, 22065), (1155, 16181), (1471, 12705), (1815, 10297), (2541, 7355), (4235, 4413)]