19927376

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 44413824

約数和(自身を除く): 24486448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 983, 1267, 1448, 1966, 2534, 2896, 3932, 5068, 6881, 7864, 10136, 13762, 15728, 20272, 27524, 55048, 110096, 177923, 355846, 711692, 1245461, 1423384, 2490922, 2846768, 4981844, 9963688, 19927376]

約数ペア:

[(1, 19927376), (2, 9963688), (4, 4981844), (7, 2846768), (8, 2490922), (14, 1423384), (16, 1245461), (28, 711692), (56, 355846), (112, 177923), (181, 110096), (362, 55048), (724, 27524), (983, 20272), (1267, 15728), (1448, 13762), (1966, 10136), (2534, 7864), (2896, 6881), (3932, 5068)]