18920384

素因数分解:

$2^6\times 7^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 56

約数和(自身を含む): 43342560

約数和(自身を除く): 24422176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 157, 224, 269, 314, 448, 538, 628, 1076, 1099, 1256, 1883, 2152, 2198, 2512, 3766, 4304, 4396, 5024, 7532, 8608, 8792, 10048, 15064, 17216, 17584, 30128, 35168, 42233, 60256, 70336, 84466, 120512, 168932, 295631, 337864, 591262, 675728, 1182524, 1351456, 2365048, 2702912, 4730096, 9460192, 18920384]

約数ペア:

[(1, 18920384), (2, 9460192), (4, 4730096), (7, 2702912), (8, 2365048), (14, 1351456), (16, 1182524), (28, 675728), (32, 591262), (56, 337864), (64, 295631), (112, 168932), (157, 120512), (224, 84466), (269, 70336), (314, 60256), (448, 42233), (538, 35168), (628, 30128), (1076, 17584), (1099, 17216), (1256, 15064), (1883, 10048), (2152, 8792), (2198, 8608), (2512, 7532), (3766, 5024), (4304, 4396)]