19284020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137743}}^1$

素因数の和:137759

約数の個数: 24

約数和(自身を含む): 46281984

約数和(自身を除く): 26997964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137743, 275486, 550972, 688715, 964201, 1377430, 1928402, 2754860, 3856804, 4821005, 9642010, 19284020]

約数ペア:

[(1, 19284020), (2, 9642010), (4, 4821005), (5, 3856804), (7, 2754860), (10, 1928402), (14, 1377430), (20, 964201), (28, 688715), (35, 550972), (70, 275486), (140, 137743)]