19282180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23005436

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 367, 370, 710, 734, 740, 1420, 1468, 1835, 2627, 3670, 5254, 7340, 10508, 13135, 13579, 26057, 26270, 27158, 52114, 52540, 54316, 67895, 104228, 130285, 135790, 260570, 271580, 521140, 964109, 1928218, 3856436, 4820545, 9641090, 19282180]

約数ペア:

[(1, 19282180), (2, 9641090), (4, 4820545), (5, 3856436), (10, 1928218), (20, 964109), (37, 521140), (71, 271580), (74, 260570), (142, 135790), (148, 130285), (185, 104228), (284, 67895), (355, 54316), (367, 52540), (370, 52114), (710, 27158), (734, 26270), (740, 26057), (1420, 13579), (1468, 13135), (1835, 10508), (2627, 7340), (3670, 5254)]