19207888

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 23646512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1151, 1192, 2086, 2302, 2384, 4172, 4604, 8057, 8344, 9208, 16114, 16688, 18416, 32228, 64456, 128912, 171499, 342998, 685996, 1200493, 1371992, 2400986, 2743984, 4801972, 9603944, 19207888]

約数ペア:

[(1, 19207888), (2, 9603944), (4, 4801972), (7, 2743984), (8, 2400986), (14, 1371992), (16, 1200493), (28, 685996), (56, 342998), (112, 171499), (149, 128912), (298, 64456), (596, 32228), (1043, 18416), (1151, 16688), (1192, 16114), (2086, 9208), (2302, 8344), (2384, 8057), (4172, 4604)]