18538240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2069}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 50772960

約数和(自身を除く): 32234720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2069, 2240, 4138, 4480, 8276, 8960, 10345, 14483, 16552, 20690, 28966, 33104, 41380, 57932, 66208, 72415, 82760, 115864, 132416, 144830, 165520, 231728, 264832, 289660, 331040, 463456, 529664, 579320, 662080, 926912, 1158640, 1324160, 1853824, 2317280, 2648320, 3707648, 4634560, 9269120, 18538240]

約数ペア:

[(1, 18538240), (2, 9269120), (4, 4634560), (5, 3707648), (7, 2648320), (8, 2317280), (10, 1853824), (14, 1324160), (16, 1158640), (20, 926912), (28, 662080), (32, 579320), (35, 529664), (40, 463456), (56, 331040), (64, 289660), (70, 264832), (80, 231728), (112, 165520), (128, 144830), (140, 132416), (160, 115864), (224, 82760), (256, 72415), (280, 66208), (320, 57932), (448, 41380), (560, 33104), (640, 28966), (896, 20690), (1120, 16552), (1280, 14483), (1792, 10345), (2069, 8960), (2240, 8276), (4138, 4480)]