19396340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51043}}^1$

素因数の和:51071

約数の個数: 24

約数和(自身を含む): 42876960

約数和(自身を除く): 23480620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51043, 102086, 204172, 255215, 510430, 969817, 1020860, 1939634, 3879268, 4849085, 9698170, 19396340]

約数ペア:

[(1, 19396340), (2, 9698170), (4, 4849085), (5, 3879268), (10, 1939634), (19, 1020860), (20, 969817), (38, 510430), (76, 255215), (95, 204172), (190, 102086), (380, 51043)]