19989536

素因数分解:

$2^5\times 7^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 25297888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 233, 383, 466, 766, 932, 1532, 1631, 1864, 2681, 3064, 3262, 3728, 5362, 6128, 6524, 7456, 10724, 12256, 13048, 21448, 26096, 42896, 52192, 85792, 89239, 178478, 356956, 624673, 713912, 1249346, 1427824, 2498692, 2855648, 4997384, 9994768, 19989536]

約数ペア:

[(1, 19989536), (2, 9994768), (4, 4997384), (7, 2855648), (8, 2498692), (14, 1427824), (16, 1249346), (28, 713912), (32, 624673), (56, 356956), (112, 178478), (224, 89239), (233, 85792), (383, 52192), (466, 42896), (766, 26096), (932, 21448), (1532, 13048), (1631, 12256), (1864, 10724), (2681, 7456), (3064, 6524), (3262, 6128), (3728, 5362)]