18840448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13381}}^1$

素因数の和:13406

約数の個数: 32

約数和(自身を含む): 40948920

約数和(自身を除く): 22108472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 13381, 26762, 53524, 107048, 147191, 214096, 294382, 428192, 588764, 856384, 1177528, 1712768, 2355056, 4710112, 9420224, 18840448]

約数ペア:

[(1, 18840448), (2, 9420224), (4, 4710112), (8, 2355056), (11, 1712768), (16, 1177528), (22, 856384), (32, 588764), (44, 428192), (64, 294382), (88, 214096), (128, 147191), (176, 107048), (352, 53524), (704, 26762), (1408, 13381)]