19611325

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 26787348

約数和(自身を除く): 7176023

約数列:

[1, 5, 19, 25, 41, 53, 95, 205, 265, 361, 475, 779, 1007, 1025, 1325, 1805, 2173, 3895, 5035, 9025, 10865, 14801, 19133, 19475, 25175, 41287, 54325, 74005, 95665, 206435, 370025, 478325, 784453, 1032175, 3922265, 19611325]

約数ペア:

[(1, 19611325), (5, 3922265), (19, 1032175), (25, 784453), (41, 478325), (53, 370025), (95, 206435), (205, 95665), (265, 74005), (361, 54325), (475, 41287), (779, 25175), (1007, 19475), (1025, 19133), (1325, 14801), (1805, 10865), (2173, 9025), (3895, 5035)]