15378980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40471}}^1$

素因数の和:40499

約数の個数: 24

約数和(自身を含む): 33996480

約数和(自身を除く): 18617500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40471, 80942, 161884, 202355, 404710, 768949, 809420, 1537898, 3075796, 3844745, 7689490, 15378980]

約数ペア:

[(1, 15378980), (2, 7689490), (4, 3844745), (5, 3075796), (10, 1537898), (19, 809420), (20, 768949), (38, 404710), (76, 202355), (95, 161884), (190, 80942), (380, 40471)]