18942208

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 36

約数和(自身を含む): 38461948

約数和(自身を除く): 19519740

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1213, 1952, 2426, 3904, 4852, 7808, 9704, 15616, 19408, 38816, 73993, 77632, 147986, 155264, 295972, 310528, 591944, 1183888, 2367776, 4735552, 9471104, 18942208]

約数ペア:

[(1, 18942208), (2, 9471104), (4, 4735552), (8, 2367776), (16, 1183888), (32, 591944), (61, 310528), (64, 295972), (122, 155264), (128, 147986), (244, 77632), (256, 73993), (488, 38816), (976, 19408), (1213, 15616), (1952, 9704), (2426, 7808), (3904, 4852)]