19809664

素因数分解:

$2^7\times 7^1\times {\mathrm{22109}}^1$

素因数の和:22130

約数の個数: 32

約数和(自身を含む): 45104400

約数和(自身を除く): 25294736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22109, 44218, 88436, 154763, 176872, 309526, 353744, 619052, 707488, 1238104, 1414976, 2476208, 2829952, 4952416, 9904832, 19809664]

約数ペア:

[(1, 19809664), (2, 9904832), (4, 4952416), (7, 2829952), (8, 2476208), (14, 1414976), (16, 1238104), (28, 707488), (32, 619052), (56, 353744), (64, 309526), (112, 176872), (128, 154763), (224, 88436), (448, 44218), (896, 22109)]