18953872

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:983

約数の個数: 40

約数和(自身を含む): 42209600

約数和(自身を除く): 23255728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 739, 916, 1478, 1603, 1832, 2956, 3206, 3664, 5173, 5912, 6412, 10346, 11824, 12824, 20692, 25648, 41384, 82768, 169231, 338462, 676924, 1184617, 1353848, 2369234, 2707696, 4738468, 9476936, 18953872]

約数ペア:

[(1, 18953872), (2, 9476936), (4, 4738468), (7, 2707696), (8, 2369234), (14, 1353848), (16, 1184617), (28, 676924), (56, 338462), (112, 169231), (229, 82768), (458, 41384), (739, 25648), (916, 20692), (1478, 12824), (1603, 11824), (1832, 10346), (2956, 6412), (3206, 5912), (3664, 5173)]