19808080384

素因数分解:

$2^9\times {\mathrm{59}}^1\times {\mathrm{655723}}^1$

素因数の和:655800

約数の個数: 40

約数和(自身を含む): 40248339120

約数和(自身を除く): 20440258736

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 512, 944, 1888, 3776, 7552, 15104, 30208, 655723, 1311446, 2622892, 5245784, 10491568, 20983136, 38687657, 41966272, 77375314, 83932544, 154750628, 167865088, 309501256, 335730176, 619002512, 1238005024, 2476010048, 4952020096, 9904040192, 19808080384]

約数ペア:

[(1, 19808080384), (2, 9904040192), (4, 4952020096), (8, 2476010048), (16, 1238005024), (32, 619002512), (59, 335730176), (64, 309501256), (118, 167865088), (128, 154750628), (236, 83932544), (256, 77375314), (472, 41966272), (512, 38687657), (944, 20983136), (1888, 10491568), (3776, 5245784), (7552, 2622892), (15104, 1311446), (30208, 655723)]