18239872

素因数分解:

$2^7\times 7^1\times {\mathrm{20357}}^1$

素因数の和:20378

約数の個数: 32

約数和(自身を含む): 41530320

約数和(自身を除く): 23290448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20357, 40714, 81428, 142499, 162856, 284998, 325712, 569996, 651424, 1139992, 1302848, 2279984, 2605696, 4559968, 9119936, 18239872]

約数ペア:

[(1, 18239872), (2, 9119936), (4, 4559968), (7, 2605696), (8, 2279984), (14, 1302848), (16, 1139992), (28, 651424), (32, 569996), (56, 325712), (64, 284998), (112, 162856), (128, 142499), (224, 81428), (448, 40714), (896, 20357)]