19241920

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:557

約数の個数: 56

約数和(自身を含む): 46232064

約数和(自身を除く): 26990144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 383, 628, 766, 785, 1256, 1532, 1570, 1915, 2512, 3064, 3140, 3830, 5024, 6128, 6280, 7660, 10048, 12256, 12560, 15320, 24512, 25120, 30640, 50240, 60131, 61280, 120262, 122560, 240524, 300655, 481048, 601310, 962096, 1202620, 1924192, 2405240, 3848384, 4810480, 9620960, 19241920]

約数ペア:

[(1, 19241920), (2, 9620960), (4, 4810480), (5, 3848384), (8, 2405240), (10, 1924192), (16, 1202620), (20, 962096), (32, 601310), (40, 481048), (64, 300655), (80, 240524), (157, 122560), (160, 120262), (314, 61280), (320, 60131), (383, 50240), (628, 30640), (766, 25120), (785, 24512), (1256, 15320), (1532, 12560), (1570, 12256), (1915, 10048), (2512, 7660), (3064, 6280), (3140, 6128), (3830, 5024)]