19151888

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 42622272

約数和(自身を除く): 23470384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 557, 614, 1114, 1228, 2149, 2228, 2456, 3899, 4298, 4456, 4912, 7798, 8596, 8912, 15596, 17192, 31192, 34384, 62384, 170999, 341998, 683996, 1196993, 1367992, 2393986, 2735984, 4787972, 9575944, 19151888]

約数ペア:

[(1, 19151888), (2, 9575944), (4, 4787972), (7, 2735984), (8, 2393986), (14, 1367992), (16, 1196993), (28, 683996), (56, 341998), (112, 170999), (307, 62384), (557, 34384), (614, 31192), (1114, 17192), (1228, 15596), (2149, 8912), (2228, 8596), (2456, 7798), (3899, 4912), (4298, 4456)]